21112020011202 has 32 divisors (see below), whose sum is σ = 44446678149120. Its totient is φ = 6666905653200.

The previous prime is 21112020011111. The next prime is 21112020011219. The reversal of 21112020011202 is 20211002021112.

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, 17349543 + ... + 18526485.

It is an arithmetic number, because the mean of its divisors is an integer number (1388958692160).

Almost surely, 2^{21112020011202} is an apocalyptic number.

21112020011202 is an abundant number, since it is smaller than the sum of its proper divisors (23334658137918).

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

21112020011202 is a wasteful number, since it uses less digits than its factorization.

21112020011202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334318.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 21112020011202 its reverse (20211002021112), we get a palindrome (41323022032314).

The spelling of 21112020011202 in words is "twenty-one trillion, one hundred twelve billion, twenty million, eleven thousand, two hundred two".