21035022251210 has 64 divisors (see below), whose sum is σ = 41397230044800. Its totient is φ = 7632063129600.

The previous prime is 21035022251203. The next prime is 21035022251213. The reversal of 21035022251210 is 1215222053012.

It is a happy number.

It is a super-2 number, since 2×21035022251210² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21035022251210.

It is not an unprimeable number, because it can be changed into a prime (21035022251213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89896046 + ... + 90129734.

It is an arithmetic number, because the mean of its divisors is an integer number (646831719450).

Almost surely, 2^{21035022251210} is an apocalyptic number.

21035022251210 is a deficient number, since it is larger than the sum of its proper divisors (20362207793590).

21035022251210 is a wasteful number, since it uses less digits than its factorization.

21035022251210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235527.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 21035022251210 in words is "twenty-one trillion, thirty-five billion, twenty-two million, two hundred fifty-one thousand, two hundred ten".