221300321012131 has 16 divisors (see below), whose sum is σ = 224306782066080. Its totient is φ = 218301981327360.

The previous prime is 221300321012123. The next prime is 221300321012209. The reversal of 221300321012131 is 131210123003122.

221300321012131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 221300321012131 - 2³ = 221300321012123 is a prime.

It is a super-2 number, since 2×221300321012131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221300321012731) 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, 2663371435 + ... + 2663454523.

It is an arithmetic number, because the mean of its divisors is an integer number (14019173879130).

Almost surely, 2^{221300321012131} is an apocalyptic number.

221300321012131 is a deficient number, since it is larger than the sum of its proper divisors (3006461053949).

221300321012131 is an equidigital number, since it uses as much as digits as its factorization.

221300321012131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131526.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 221300321012131 its reverse (131210123003122), we get a palindrome (352510444015253).

The spelling of 221300321012131 in words is "two hundred twenty-one trillion, three hundred billion, three hundred twenty-one million, twelve thousand, one hundred thirty-one".