20113211020102 has 32 divisors (see below), whose sum is σ = 31973676588000. Its totient is φ = 9456400465920.

The previous prime is 20113211020099. The next prime is 20113211020171. The reversal of 20113211020102 is 20102011231102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 820968649 + ... + 820993147.

It is an arithmetic number, because the mean of its divisors is an integer number (999177393375).

Almost surely, 2^{20113211020102} is an apocalyptic number.

20113211020102 is a deficient number, since it is larger than the sum of its proper divisors (11860465567898).

20113211020102 is a wasteful number, since it uses less digits than its factorization.

20113211020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45576.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20113211020102 its reverse (20102011231102), we get a palindrome (40215222251204).

The spelling of 20113211020102 in words is "twenty trillion, one hundred thirteen billion, two hundred eleven million, twenty thousand, one hundred two".