212010111131 has 16 divisors (see below), whose sum is σ = 262479537600. Its totient is φ = 167744251584.

The previous prime is 212010111127. The next prime is 212010111253. The reversal of 212010111131 is 131111010212.

It is not a de Polignac number, because 212010111131 - 2² = 212010111127 is a prime.

It is a super-2 number, since 2×212010111131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212010141131) 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, 6877466 + ... + 6908223.

It is an arithmetic number, because the mean of its divisors is an integer number (16404971100).

Almost surely, 2^212010111131 is an apocalyptic number.

212010111131 is a deficient number, since it is larger than the sum of its proper divisors (50469426469).

212010111131 is an equidigital number, since it uses as much as digits as its factorization.

212010111131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13785735 (or 13785709 counting only the distinct ones).

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

Adding to 212010111131 its reverse (131111010212), we get a palindrome (343121121343).

The spelling of 212010111131 in words is "two hundred twelve billion, ten million, one hundred eleven thousand, one hundred thirty-one".