20111112102112 has 12 divisors (see below), whose sum is σ = 39593751951096. Its totient is φ = 10055556051040.

The previous prime is 20111112102071. The next prime is 20111112102187. The reversal of 20111112102112 is 21120121111102.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314236126564 + ... + 314236126627.

It is an arithmetic number, because the mean of its divisors is an integer number (3299479329258).

Almost surely, 2^{20111112102112} is an apocalyptic number.

It is an amenable number.

20111112102112 is a deficient number, since it is larger than the sum of its proper divisors (19482639848984).

20111112102112 is an equidigital number, since it uses as much as digits as its factorization.

20111112102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628472253201 (or 628472253193 counting only the distinct ones).

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

Adding to 20111112102112 its reverse (21120121111102), we get a palindrome (41231233213214).

The spelling of 20111112102112 in words is "twenty trillion, one hundred eleven billion, one hundred twelve million, one hundred two thousand, one hundred twelve".