21132222012310 has 8 divisors (see below), whose sum is σ = 38037999622176. Its totient is φ = 8452888804920.

The previous prime is 21132222012203. The next prime is 21132222012323. The reversal of 21132222012310 is 1321022223112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21132222012310² (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 3 ways as a sum of consecutive naturals, for example, 1056611100606 + ... + 1056611100625.

It is an arithmetic number, because the mean of its divisors is an integer number (4754749952772).

Almost surely, 2^{21132222012310} is an apocalyptic number.

21132222012310 is a deficient number, since it is larger than the sum of its proper divisors (16905777609866).

21132222012310 is a wasteful number, since it uses less digits than its factorization.

21132222012310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113222201238.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21132222012310 its reverse (1321022223112), we get a palindrome (22453244235422).

The spelling of 21132222012310 in words is "twenty-one trillion, one hundred thirty-two billion, two hundred twenty-two million, twelve thousand, three hundred ten".