22013101031321 has 16 divisors (see below), whose sum is σ = 22332693010320. Its totient is φ = 21695796756480.

The previous prime is 22013101031309. The next prime is 22013101031407. The reversal of 22013101031321 is 12313010131022.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 107059840000 + 21906041191321 = 327200^2 + 4680389^2 .

It is a cyclic number.

It is not a de Polignac number, because 22013101031321 - 2²⁶ = 22013033922457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22013101031293 and 22013101031302.

It is not an unprimeable number, because it can be changed into a prime (22013101031021) 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, 50138411 + ... + 50575551.

It is an arithmetic number, because the mean of its divisors is an integer number (1395793313145).

Almost surely, 2^{22013101031321} is an apocalyptic number.

It is an amenable number.

22013101031321 is a deficient number, since it is larger than the sum of its proper divisors (319591978999).

22013101031321 is a wasteful number, since it uses less digits than its factorization.

22013101031321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439756.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 22013101031321 its reverse (12313010131022), we get a palindrome (34326111162343).

The spelling of 22013101031321 in words is "twenty-two trillion, thirteen billion, one hundred one million, thirty-one thousand, three hundred twenty-one".