2202201121 has 4 divisors (see below), whose sum is σ = 2249056512. Its totient is φ = 2155345732.

The previous prime is 2202201119. The next prime is 2202201139. The reversal of 2202201121 is 1211022022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2202201121 - 2¹ = 2202201119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2202201151) 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, 23427625 + ... + 23427718.

It is an arithmetic number, because the mean of its divisors is an integer number (562264128).

Almost surely, 2^2202201121 is an apocalyptic number.

It is an amenable number.

2202201121 is a deficient number, since it is larger than the sum of its proper divisors (46855391).

2202201121 is an equidigital number, since it uses as much as digits as its factorization.

2202201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46855390.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2202201121 is about 46927.6157608716. The cubic root of 2202201121 is about 1301.0250536600.

Adding to 2202201121 its reverse (1211022022), we get a palindrome (3413223143).

The spelling of 2202201121 in words is "two billion, two hundred two million, two hundred one thousand, one hundred twenty-one".