20221200111112 has 128 divisors (see below), whose sum is σ = 51945427296000. Its totient is φ = 7272359539200.

The previous prime is 20221200111103. The next prime is 20221200111181. The reversal of 20221200111112 is 21111100212202.

It is a super-2 number, since 2×20221200111112² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25374189 + ... + 26158972.

It is an arithmetic number, because the mean of its divisors is an integer number (405823650750).

Almost surely, 2^{20221200111112} is an apocalyptic number.

20221200111112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20221200111112 is an abundant number, since it is smaller than the sum of its proper divisors (31724227184888).

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

20221200111112 is a wasteful number, since it uses less digits than its factorization.

20221200111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51533212 (or 51533194 counting only the distinct ones).

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

Adding to 20221200111112 its reverse (21111100212202), we get a palindrome (41332300323314).

The spelling of 20221200111112 in words is "twenty trillion, two hundred twenty-one billion, two hundred million, one hundred eleven thousand, one hundred twelve".