211012111211112 has 48 divisors (see below), whose sum is σ = 573882310872000. Its totient is φ = 70043071777056.

The previous prime is 211012111211089. The next prime is 211012111211119. The reversal of 211012111211112 is 211112111210112.

211012111211112 is a `hidden beast` number, since 211 + 0 + 121 + 11 + 211 + 112 = 666.

It is a super-2 number, since 2×211012111211112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (211012111211119) 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, 6131204062 + ... + 6131238477.

It is an arithmetic number, because the mean of its divisors is an integer number (11955881476500).

Almost surely, 2^{211012111211112} is an apocalyptic number.

It is an amenable number.

211012111211112 is an abundant number, since it is smaller than the sum of its proper divisors (362870199660888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211012111211112 is a wasteful number, since it uses less digits than its factorization.

211012111211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12262442790 (or 12262442783 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 18.

Adding to 211012111211112 its reverse (211112111210112), we get a palindrome (422124222421224).

The spelling of 211012111211112 in words is "two hundred eleven trillion, twelve billion, one hundred eleven million, two hundred eleven thousand, one hundred twelve".