20122200111112 has 48 divisors (see below), whose sum is σ = 41559660258480. Its totient is φ = 9126868835040.

The previous prime is 20122200111107. The next prime is 20122200111119. The reversal of 20122200111112 is 21111100222102.

It is not an unprimeable number, because it can be changed into a prime (20122200111119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21804258 + ... + 22708369.

It is an arithmetic number, because the mean of its divisors is an integer number (865826255385).

Almost surely, 2^{20122200111112} is an apocalyptic number.

20122200111112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20122200111112 is an abundant number, since it is smaller than the sum of its proper divisors (21437460147368).

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

20122200111112 is a wasteful number, since it uses less digits than its factorization.

20122200111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44513122 (or 44513107 counting only the distinct ones).

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

Adding to 20122200111112 its reverse (21111100222102), we get a palindrome (41233300333214).

The spelling of 20122200111112 in words is "twenty trillion, one hundred twenty-two billion, two hundred million, one hundred eleven thousand, one hundred twelve".