21133411431022 has 16 divisors (see below), whose sum is σ = 34582632411312. Its totient is φ = 9605905429120.

The previous prime is 21133411431007. The next prime is 21133411431023. The reversal of 21133411431022 is 22013411433112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21133411431023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8397253 + ... + 10619824.

It is an arithmetic number, because the mean of its divisors is an integer number (2161414525707).

Almost surely, 2^{21133411431022} is an apocalyptic number.

21133411431022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21133411431022 is a deficient number, since it is larger than the sum of its proper divisors (13449220980290).

21133411431022 is a wasteful number, since it uses less digits than its factorization.

21133411431022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19067603.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 21133411431022 its reverse (22013411433112), we get a palindrome (43146822864134).

The spelling of 21133411431022 in words is "twenty-one trillion, one hundred thirty-three billion, four hundred eleven million, four hundred thirty-one thousand, twenty-two".