2102012112231 has 16 divisors (see below), whose sum is σ = 3114120204000. Its totient is φ = 1401328724544.

The previous prime is 2102012112229. The next prime is 2102012112259. The reversal of 2102012112231 is 1322112102012.

2102012112231 is a `hidden beast` number, since 21 + 0 + 201 + 211 + 2 + 231 = 666.

It is not a de Polignac number, because 2102012112231 - 2¹ = 2102012112229 is a prime.

It is a super-2 number, since 2×2102012112231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102012112281) 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, 3420595 + ... + 3988043.

It is an arithmetic number, because the mean of its divisors is an integer number (194632512750).

Almost surely, 2^{2102012112231} is an apocalyptic number.

2102012112231 is a deficient number, since it is larger than the sum of its proper divisors (1012108091769).

2102012112231 is a wasteful number, since it uses less digits than its factorization.

2102012112231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704655 (or 704649 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2102012112231 its reverse (1322112102012), we get a palindrome (3424124214243).

The spelling of 2102012112231 in words is "two trillion, one hundred two billion, twelve million, one hundred twelve thousand, two hundred thirty-one".