20211102111112 has 32 divisors (see below), whose sum is σ = 41364884544480. Its totient is φ = 9181532626560.

The previous prime is 20211102111097. The next prime is 20211102111121. The reversal of 20211102111112 is 21111120111202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66497133 + ... + 66800380.

It is an arithmetic number, because the mean of its divisors is an integer number (1292652642015).

Almost surely, 2^{20211102111112} is an apocalyptic number.

20211102111112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20211102111112 is an abundant number, since it is smaller than the sum of its proper divisors (21153782433368).

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

20211102111112 is a wasteful number, since it uses less digits than its factorization.

20211102111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133299253 (or 133299249 counting only the distinct ones).

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

Adding to 20211102111112 its reverse (21111120111202), we get a palindrome (41322222222314).

The spelling of 20211102111112 in words is "twenty trillion, two hundred eleven billion, one hundred two million, one hundred eleven thousand, one hundred twelve".