20102211100112 has 20 divisors (see below), whose sum is σ = 38948123458176. Its totient is φ = 10051082465760.

The previous prime is 20102211100109. The next prime is 20102211100129. The reversal of 20102211100112 is 21100111220102.

It is a super-2 number, since 2×20102211100112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7374287 + ... + 9725457.

Almost surely, 2^{20102211100112} is an apocalyptic number.

It is an amenable number.

20102211100112 is a deficient number, since it is larger than the sum of its proper divisors (18845912358064).

20102211100112 is a wasteful number, since it uses less digits than its factorization.

20102211100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885546 (or 2885540 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20102211100112 its reverse (21100111220102), we get a palindrome (41202322320214).

The spelling of 20102211100112 in words is "twenty trillion, one hundred two billion, two hundred eleven million, one hundred thousand, one hundred twelve".