111022121220111 has 12 divisors (see below), whose sum is σ = 160365421494720. Its totient is φ = 74014685039520.

The previous prime is 111022121220103. The next prime is 111022121220113.

It is a happy number.

111022121220111 is a `hidden beast` number, since 1 + 110 + 221 + 2 + 1 + 220 + 111 = 666.

111022121220111 is nontrivially palindromic in base 10.

111022121220111 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 111022121220111 - 2³ = 111022121220103 is a prime.

It is a super-2 number, since 2×111022121220111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111022121220113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7756435 + ... + 16799003.

It is an arithmetic number, because the mean of its divisors is an integer number (13363785124560).

Almost surely, 2^{111022121220111} is an apocalyptic number.

111022121220111 is a deficient number, since it is larger than the sum of its proper divisors (49343300274609).

111022121220111 is a wasteful number, since it uses less digits than its factorization.

111022121220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10406766 (or 10406763 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

The spelling of 111022121220111 in words is "one hundred eleven trillion, twenty-two billion, one hundred twenty-one million, two hundred twenty thousand, one hundred eleven".