122211201121 has 16 divisors (see below), whose sum is σ = 126839203200. Its totient is φ = 117611440128.

The previous prime is 122211201113. The next prime is 122211201127. The reversal of 122211201121 is 121102112221.

It is a cyclic number.

It is not a de Polignac number, because 122211201121 - 2³ = 122211201113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122211201095 and 122211201104.

It is not an unprimeable number, because it can be changed into a prime (122211201127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11781025 + ... + 11791393.

It is an arithmetic number, because the mean of its divisors is an integer number (7927450200).

Almost surely, 2^122211201121 is an apocalyptic number.

It is an amenable number.

122211201121 is a deficient number, since it is larger than the sum of its proper divisors (4628002079).

122211201121 is a wasteful number, since it uses less digits than its factorization.

122211201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11688.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122211201121 its reverse (121102112221), we get a palindrome (243313313342).

The spelling of 122211201121 in words is "one hundred twenty-two billion, two hundred eleven million, two hundred one thousand, one hundred twenty-one".