21223211131202 has 16 divisors (see below), whose sum is σ = 32359311895320. Its totient is φ = 10438009393152.

The previous prime is 21223211131153. The next prime is 21223211131229. The reversal of 21223211131202 is 20213111232212.

It can be written as a sum of positive squares in 4 ways, for example, as 12027100296121 + 9196110835081 = 3468011^2 + 3032509^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308855603 + ... + 308924310.

Almost surely, 2^{21223211131202} is an apocalyptic number.

21223211131202 is a deficient number, since it is larger than the sum of its proper divisors (11136100764118).

21223211131202 is a wasteful number, since it uses less digits than its factorization.

21223211131202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617780197.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 21223211131202 its reverse (20213111232212), we get a palindrome (41436322363414).

It can be divided in two parts, 2122321 and 1131202, that added together give a palindrome (3253523).

The spelling of 21223211131202 in words is "twenty-one trillion, two hundred twenty-three billion, two hundred eleven million, one hundred thirty-one thousand, two hundred two".