1002221200131 has 32 divisors (see below), whose sum is σ = 1455302115648. Its totient is φ = 610938961920.

The previous prime is 1002221200117. The next prime is 1002221200133. The reversal of 1002221200131 is 1310021222001.

It is not a de Polignac number, because 1002221200131 - 2⁷ = 1002221200003 is a prime.

It is a super-2 number, since 2×1002221200131² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1002221200131.

It is not an unprimeable number, because it can be changed into a prime (1002221200133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 875361 + ... + 1664541.

It is an arithmetic number, because the mean of its divisors is an integer number (45478191114).

Almost surely, 2^{1002221200131} is an apocalyptic number.

1002221200131 is a deficient number, since it is larger than the sum of its proper divisors (453080915517).

1002221200131 is a wasteful number, since it uses less digits than its factorization.

1002221200131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789911.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1002221200131 its reverse (1310021222001), we get a palindrome (2312242422132).

The spelling of 1002221200131 in words is "one trillion, two billion, two hundred twenty-one million, two hundred thousand, one hundred thirty-one".