20213111131202 has 64 divisors (see below), whose sum is σ = 34200361893888. Its totient is φ = 8876459928000.

The previous prime is 20213111131123. The next prime is 20213111131211.

20213111131202 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2288876927 + ... + 2288885757.

It is an arithmetic number, because the mean of its divisors is an integer number (534380654592).

Almost surely, 2^{20213111131202} is an apocalyptic number.

20213111131202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20213111131202 is a deficient number, since it is larger than the sum of its proper divisors (13987250762686).

20213111131202 is a wasteful number, since it uses less digits than its factorization.

20213111131202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14135.

The product of its (nonzero) digits is 144, while the sum is 20.

It can be divided in two parts, 2021311 and 1131202, that added together give a palindrome (3152513).

The spelling of 20213111131202 in words is "twenty trillion, two hundred thirteen billion, one hundred eleven million, one hundred thirty-one thousand, two hundred two".