20101112104 has 16 divisors (see below), whose sum is σ = 37691118900. Its totient is φ = 10050147072.

The previous prime is 20101112099. The next prime is 20101112117. The reversal of 20101112104 is 40121110102.

It can be written as a sum of positive squares in 2 ways, for example, as 19440724900 + 660387204 = 139430^2 + 25698^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298032 + ... + 359200.

Almost surely, 2^20101112104 is an apocalyptic number.

It is an amenable number.

20101112104 is a deficient number, since it is larger than the sum of its proper divisors (17590006796).

20101112104 is a wasteful number, since it uses less digits than its factorization.

20101112104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102252 (or 102248 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20101112104 its reverse (40121110102), we get a palindrome (60222222206).

The spelling of 20101112104 in words is "twenty billion, one hundred one million, one hundred twelve thousand, one hundred four".