212110011131 has 16 divisors (see below), whose sum is σ = 221868979200. Its totient is φ = 202396242048.

The previous prime is 212110011121. The next prime is 212110011137. The reversal of 212110011131 is 131110011212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212110011131 is a prime.

It is a super-2 number, since 2×212110011131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212110011137) 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, 26780990 + ... + 26788908.

It is an arithmetic number, because the mean of its divisors is an integer number (13866811200).

Almost surely, 2^212110011131 is an apocalyptic number.

212110011131 is a deficient number, since it is larger than the sum of its proper divisors (9758968069).

212110011131 is a wasteful number, since it uses less digits than its factorization.

212110011131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10618.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 212110011131 its reverse (131110011212), we get a palindrome (343220022343).

The spelling of 212110011131 in words is "two hundred twelve billion, one hundred ten million, eleven thousand, one hundred thirty-one".