212111200111112 has 32 divisors (see below), whose sum is σ = 405598719519000. Its totient is φ = 103955356737024.

The previous prime is 212111200111099. The next prime is 212111200111157. The reversal of 212111200111112 is 211111002111212.

It can be written as a sum of positive squares in 4 ways, for example, as 211422476059876 + 688724051236 = 14540374^2 + 829894^2 .

It is a super-2 number, since 2×212111200111112² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238002443 + ... + 238891994.

Almost surely, 2^{212111200111112} is an apocalyptic number.

It is an amenable number.

212111200111112 is a deficient number, since it is larger than the sum of its proper divisors (193487519407888).

212111200111112 is a wasteful number, since it uses less digits than its factorization.

212111200111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476895545 (or 476895541 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 212111200111112 its reverse (211111002111212), we get a palindrome (423222202222324).

The spelling of 212111200111112 in words is "two hundred twelve trillion, one hundred eleven billion, two hundred million, one hundred eleven thousand, one hundred twelve".