21322153106013 has 16 divisors (see below), whose sum is σ = 29947219904000. Its totient is φ = 13456997071920.

The previous prime is 21322153106011. The next prime is 21322153106047. The reversal of 21322153106013 is 31060135122312.

It is not a de Polignac number, because 21322153106013 - 2¹ = 21322153106011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21322153106011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133613203 + ... + 133772688.

It is an arithmetic number, because the mean of its divisors is an integer number (1871701244000).

Almost surely, 2^{21322153106013} is an apocalyptic number.

It is an amenable number.

21322153106013 is a deficient number, since it is larger than the sum of its proper divisors (8625066797987).

21322153106013 is a wasteful number, since it uses less digits than its factorization.

21322153106013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267387312.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 21322153106013 its reverse (31060135122312), we get a palindrome (52382288228325).

The spelling of 21322153106013 in words is "twenty-one trillion, three hundred twenty-two billion, one hundred fifty-three million, one hundred six thousand, thirteen".