21310111344022 has 32 divisors (see below), whose sum is σ = 32336521015680. Its totient is φ = 10531562146560.

The previous prime is 21310111344013. The next prime is 21310111344047. The reversal of 21310111344022 is 22044311101312.

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, 705921613 + ... + 705951799.

It is an arithmetic number, because the mean of its divisors is an integer number (1010516281740).

Almost surely, 2^{21310111344022} is an apocalyptic number.

21310111344022 is a deficient number, since it is larger than the sum of its proper divisors (11026409671658).

21310111344022 is a wasteful number, since it uses less digits than its factorization.

21310111344022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34876.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 21310111344022 its reverse (22044311101312), we get a palindrome (43354422445334).

The spelling of 21310111344022 in words is "twenty-one trillion, three hundred ten billion, one hundred eleven million, three hundred forty-four thousand, twenty-two".