111112022210121 has 36 divisors (see below), whose sum is σ = 162668750462400. Its totient is φ = 73084697515440.

The previous prime is 111112022210089. The next prime is 111112022210153. The reversal of 111112022210121 is 121012220211111.

It is a happy number.

111112022210121 is a `hidden beast` number, since 11 + 111 + 202 + 221 + 0 + 121 = 666.

It is an interprime number because it is at equal distance from previous prime (111112022210089) and next prime (111112022210153).

It is not a de Polignac number, because 111112022210121 - 2⁵ = 111112022210089 is a prime.

It is a super-3 number, since 3×111112022210121³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111112022210094 and 111112022210103.

It is not an unprimeable number, because it can be changed into a prime (111112022210171) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 77873436 + ... + 79287426.

Almost surely, 2^{111112022210121} is an apocalyptic number.

It is an amenable number.

111112022210121 is a deficient number, since it is larger than the sum of its proper divisors (51556728252279).

111112022210121 is a wasteful number, since it uses less digits than its factorization.

111112022210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415554 (or 1415472 counting only the distinct ones).

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

Adding to 111112022210121 its reverse (121012220211111), we get a palindrome (232124242421232).

The spelling of 111112022210121 in words is "one hundred eleven trillion, one hundred twelve billion, twenty-two million, two hundred ten thousand, one hundred twenty-one".