20122100101112 has 32 divisors (see below), whose sum is σ = 39033584272800. Its totient is φ = 9713209161600.

The previous prime is 20122100101111. The next prime is 20122100101163. The reversal of 20122100101112 is 21110100122102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122100101111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1563839 + ... + 6533742.

It is an arithmetic number, because the mean of its divisors is an integer number (1219799508525).

Almost surely, 2^{20122100101112} is an apocalyptic number.

It is an amenable number.

20122100101112 is a deficient number, since it is larger than the sum of its proper divisors (18911484171688).

20122100101112 is a wasteful number, since it uses less digits than its factorization.

20122100101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8108327 (or 8108323 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20122100101112 its reverse (21110100122102), we get a palindrome (41232200223214).

The spelling of 20122100101112 in words is "twenty trillion, one hundred twenty-two billion, one hundred million, one hundred one thousand, one hundred twelve".