211102120131 has 16 divisors (see below), whose sum is σ = 322296864768. Its totient is φ = 120398241600.

The previous prime is 211102120111. The next prime is 211102120181. The reversal of 211102120131 is 131021201112.

It is not a de Polignac number, because 211102120131 - 2⁹ = 211102119619 is a prime.

It is a super-2 number, since 2×211102120131² (a number of 23 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 211102120131.

It is not an unprimeable number, because it can be changed into a prime (211102120111) 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, 9636355 + ... + 9658236.

It is an arithmetic number, because the mean of its divisors is an integer number (20143554048).

Almost surely, 2^211102120131 is an apocalyptic number.

211102120131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

211102120131 is a deficient number, since it is larger than the sum of its proper divisors (111194744637).

211102120131 is a wasteful number, since it uses less digits than its factorization.

211102120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19295122.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 211102120131 its reverse (131021201112), we get a palindrome (342123321243).

The spelling of 211102120131 in words is "two hundred eleven billion, one hundred two million, one hundred twenty thousand, one hundred thirty-one".