112111212201021 has 96 divisors (see below), whose sum is σ = 185206897459584. Its totient is φ = 64737066240000.

The previous prime is 112111212201011. The next prime is 112111212201041. The reversal of 112111212201021 is 120102212111211.

It is a happy number.

112111212201021 is a `hidden beast` number, since 11 + 211 + 121 + 220 + 102 + 1 = 666.

It is not a de Polignac number, because 112111212201021 - 2⁷ = 112111212200893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112111212200985 and 112111212201003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112111212201011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1175109921 + ... + 1175205321.

It is an arithmetic number, because the mean of its divisors is an integer number (1929238515204).

Almost surely, 2^{112111212201021} is an apocalyptic number.

112111212201021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112111212201021 is a deficient number, since it is larger than the sum of its proper divisors (73095685258563).

112111212201021 is a wasteful number, since it uses less digits than its factorization.

112111212201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102235 (or 102232 counting only the distinct ones).

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

Adding to 112111212201021 its reverse (120102212111211), we get a palindrome (232213424312232).

The spelling of 112111212201021 in words is "one hundred twelve trillion, one hundred eleven billion, two hundred twelve million, two hundred one thousand, twenty-one".