20012111112202 has 64 divisors (see below), whose sum is σ = 33339544168320. Its totient is φ = 8932354099200.

The previous prime is 20012111112199. The next prime is 20012111112221. The reversal of 20012111112202 is 20221111121002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3091625238 + ... + 3091631710.

It is an arithmetic number, because the mean of its divisors is an integer number (520930377630).

Almost surely, 2^{20012111112202} is an apocalyptic number.

20012111112202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20012111112202 is a deficient number, since it is larger than the sum of its proper divisors (13327433056118).

20012111112202 is a wasteful number, since it uses less digits than its factorization.

20012111112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10039.

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

Adding to 20012111112202 its reverse (20221111121002), we get a palindrome (40233222233204).

The spelling of 20012111112202 in words is "twenty trillion, twelve billion, one hundred eleven million, one hundred twelve thousand, two hundred two".