21113021222310 has 16 divisors (see below), whose sum is σ = 50671250933616. Its totient is φ = 5630138992608.

The previous prime is 21113021222287. The next prime is 21113021222323. The reversal of 21113021222310 is 1322212031112.

It is a super-2 number, since 2×21113021222310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351883687009 + ... + 351883687068.

It is an arithmetic number, because the mean of its divisors is an integer number (3166953183351).

Almost surely, 2^{21113021222310} is an apocalyptic number.

21113021222310 is an abundant number, since it is smaller than the sum of its proper divisors (29558229711306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21113021222310 is a wasteful number, since it uses less digits than its factorization.

21113021222310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703767374087.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 21113021222310 its reverse (1322212031112), we get a palindrome (22435233253422).

The spelling of 21113021222310 in words is "twenty-one trillion, one hundred thirteen billion, twenty-one million, two hundred twenty-two thousand, three hundred ten".