21322231301013 has 16 divisors (see below), whose sum is σ = 29201153778816. Its totient is φ = 13829147565120.

The previous prime is 21322231300991. The next prime is 21322231301023. The reversal of 21322231301013 is 31010313222312.

It is not a de Polignac number, because 21322231301013 - 2⁹ = 21322231300501 is a prime.

It is a super-2 number, since 2×21322231301013² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21322231301023) 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, 9303793 + ... + 11366838.

It is an arithmetic number, because the mean of its divisors is an integer number (1825072111176).

Almost surely, 2^{21322231301013} is an apocalyptic number.

It is an amenable number.

21322231301013 is a deficient number, since it is larger than the sum of its proper divisors (7878922477803).

21322231301013 is a wasteful number, since it uses less digits than its factorization.

21322231301013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20679964.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21322231301013 its reverse (31010313222312), we get a palindrome (52332544523325).

The spelling of 21322231301013 in words is "twenty-one trillion, three hundred twenty-two billion, two hundred thirty-one million, three hundred one thousand, thirteen".