211020102111112 has 64 divisors (see below), whose sum is σ = 454208293411200. Its totient is φ = 90033312499200.

The previous prime is 211020102111109. The next prime is 211020102111139. The reversal of 211020102111112 is 211111201020112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10713612 + ... + 23169412.

It is an arithmetic number, because the mean of its divisors is an integer number (7097004584550).

Almost surely, 2^{211020102111112} is an apocalyptic number.

It is an amenable number.

211020102111112 is an abundant number, since it is smaller than the sum of its proper divisors (243188191300088).

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

211020102111112 is a wasteful number, since it uses less digits than its factorization.

211020102111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12457166 (or 12457162 counting only the distinct ones).

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

Adding to 211020102111112 its reverse (211111201020112), we get a palindrome (422131303131224).

The spelling of 211020102111112 in words is "two hundred eleven trillion, twenty billion, one hundred two million, one hundred eleven thousand, one hundred twelve".