111022102120121 has 4 divisors (see below), whose sum is σ = 111065967038544. Its totient is φ = 110978237201700.

The previous prime is 111022102120099. The next prime is 111022102120151. The reversal of 111022102120121 is 121021201220111.

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 111022102120121 - 2²⁶ = 111022035011257 is a prime.

It is a super-2 number, since 2×111022102120121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111022102120121.

It is not an unprimeable number, because it can be changed into a prime (111022102120151) 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, 21932455415 + ... + 21932460476.

It is an arithmetic number, because the mean of its divisors is an integer number (27766491759636).

Almost surely, 2^{111022102120121} is an apocalyptic number.

It is an amenable number.

111022102120121 is a deficient number, since it is larger than the sum of its proper divisors (43864918423).

111022102120121 is an equidigital number, since it uses as much as digits as its factorization.

111022102120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43864918422.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111022102120121 its reverse (121021201220111), we get a palindrome (232043303340232).

The spelling of 111022102120121 in words is "one hundred eleven trillion, twenty-two billion, one hundred two million, one hundred twenty thousand, one hundred twenty-one".