Search a number
-
+
1120122211 = 1386163247
BaseRepresentation
bin100001011000011…
…1011010101100011
32220001201002210211
41002300323111203
54243222402321
6303052034551
736520611265
oct10260732543
92801632724
101120122211
1152530943a
12273162a57
1314b0a7910
14a8a99b35
156850d0e1
hex42c3b563

1120122211 has 4 divisors (see below), whose sum is σ = 1206285472. Its totient is φ = 1033958952.

The previous prime is 1120122203. The next prime is 1120122221. The reversal of 1120122211 is 1122210211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1122210211 = 4723876813.

It is not a de Polignac number, because 1120122211 - 23 = 1120122203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 86163247 = 1120122211 / (1 + 1 + 2 + 0 + 1 + 2 + 2 + 2 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120122191 and 1120122200.

It is not an unprimeable number, because it can be changed into a prime (1120122221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43081611 + ... + 43081636.

It is an arithmetic number, because the mean of its divisors is an integer number (301571368).

Almost surely, 21120122211 is an apocalyptic number.

1120122211 is a deficient number, since it is larger than the sum of its proper divisors (86163261).

1120122211 is an equidigital number, since it uses as much as digits as its factorization.

1120122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86163260.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1120122211 is about 33468.2268876019. The cubic root of 1120122211 is about 1038.5365916093.

Adding to 1120122211 its reverse (1122210211), we get a palindrome (2242332422).

The spelling of 1120122211 in words is "one billion, one hundred twenty million, one hundred twenty-two thousand, two hundred eleven".

Divisors: 1 13 86163247 1120122211