20101202211112 has 64 divisors (see below), whose sum is σ = 41231706307200. Its totient is φ = 9111233280000.

The previous prime is 20101202211073. The next prime is 20101202211119. The reversal of 20101202211112 is 21111220210102.

It is not an unprimeable number, because it can be changed into a prime (20101202211119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113150437 + ... + 113327947.

It is an arithmetic number, because the mean of its divisors is an integer number (644245411050).

Almost surely, 2^{20101202211112} is an apocalyptic number.

20101202211112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20101202211112 is an abundant number, since it is smaller than the sum of its proper divisors (21130504096088).

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

20101202211112 is a wasteful number, since it uses less digits than its factorization.

20101202211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181138 (or 181134 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20101202211112 its reverse (21111220210102), we get a palindrome (41212422421214).

The spelling of 20101202211112 in words is "twenty trillion, one hundred one billion, two hundred two million, two hundred eleven thousand, one hundred twelve".