131021200011002 has 32 divisors (see below), whose sum is σ = 236582460825600. Its totient is φ = 53162101210608.

The previous prime is 131021200011001. The next prime is 131021200011137. The reversal of 131021200011002 is 200110002120131.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (131021200011001) 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, 159201002 + ... + 160021877.

It is an arithmetic number, because the mean of its divisors is an integer number (7393201900800).

Almost surely, 2^{131021200011002} is an apocalyptic number.

131021200011002 is a deficient number, since it is larger than the sum of its proper divisors (105561260814598).

131021200011002 is a wasteful number, since it uses less digits than its factorization.

131021200011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319224450.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 131021200011002 its reverse (200110002120131), we get a palindrome (331131202131133).

The spelling of 131021200011002 in words is "one hundred thirty-one trillion, twenty-one billion, two hundred million, eleven thousand, two".