131210221002 has 32 divisors (see below), whose sum is σ = 300059448192. Its totient is φ = 37469838144.

The previous prime is 131210220997. The next prime is 131210221019. The reversal of 131210221002 is 200122012131.

It is a super-2 number, since 2×131210221002² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 698313 + ... + 866060.

It is an arithmetic number, because the mean of its divisors is an integer number (9376857756).

Almost surely, 2^131210221002 is an apocalyptic number.

131210221002 is an abundant number, since it is smaller than the sum of its proper divisors (168849227190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131210221002 is a wasteful number, since it uses less digits than its factorization.

131210221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566382.

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

Adding to 131210221002 its reverse (200122012131), we get a palindrome (331332233133).

The spelling of 131210221002 in words is "one hundred thirty-one billion, two hundred ten million, two hundred twenty-one thousand, two".