1122000211 has 4 divisors (see below), whose sum is σ = 1122076872. Its totient is φ = 1121923552.

The previous prime is 1122000203. The next prime is 1122000233. The reversal of 1122000211 is 1120002211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1120002211 = 17 ⋅65882483.

It is a cyclic number.

It is not a de Polignac number, because 1122000211 - 2³ = 1122000203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122000241) 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, 8785 + ... + 48178.

It is an arithmetic number, because the mean of its divisors is an integer number (280519218).

Almost surely, 2^1122000211 is an apocalyptic number.

1122000211 is a deficient number, since it is larger than the sum of its proper divisors (76661).

1122000211 is an equidigital number, since it uses as much as digits as its factorization.

1122000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76660.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1122000211 is about 33496.2715984929. The cubic root of 1122000211 is about 1039.1166719834.

Adding to 1122000211 its reverse (1120002211), we get a palindrome (2242002422).

It can be divided in two parts, 1122000 and 211, that added together give a palindrome (1122211).

The spelling of 1122000211 in words is "one billion, one hundred twenty-two million, two hundred eleven", and thus it is an aban number.