131020211102 has 48 divisors (see below), whose sum is σ = 221030933760. Its totient is φ = 58178200080.

The previous prime is 131020211081. The next prime is 131020211107. The reversal of 131020211102 is 201112020131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131020211107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6211049 + ... + 6232107.

It is an arithmetic number, because the mean of its divisors is an integer number (4604811120).

Almost surely, 2^131020211102 is an apocalyptic number.

131020211102 is a deficient number, since it is larger than the sum of its proper divisors (90010722658).

131020211102 is a wasteful number, since it uses less digits than its factorization.

131020211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21677 (or 21666 counting only the distinct ones).

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

Adding to 131020211102 its reverse (201112020131), we get a palindrome (332132231233).

The spelling of 131020211102 in words is "one hundred thirty-one billion, twenty million, two hundred eleven thousand, one hundred two".