11012110311231 has 10 divisors (see below), whose sum is σ = 16450189477392. Its totient is φ = 7341406874100.

The previous prime is 11012110311203. The next prime is 11012110311233. The reversal of 11012110311231 is 13211301121011.

11012110311231 is a `hidden beast` number, since 1 + 1 + 0 + 12 + 110 + 311 + 231 = 666.

It is not a de Polignac number, because 11012110311231 - 2¹⁴ = 11012110294847 is a prime.

It is a super-2 number, since 2×11012110311231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012110311233) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 67975989495 + ... + 67975989656.

Almost surely, 2^{11012110311231} is an apocalyptic number.

11012110311231 is a deficient number, since it is larger than the sum of its proper divisors (5438079166161).

11012110311231 is an equidigital number, since it uses as much as digits as its factorization.

11012110311231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135951979163 (or 135951979154 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 11012110311231 its reverse (13211301121011), we get a palindrome (24223411432242).

The spelling of 11012110311231 in words is "eleven trillion, twelve billion, one hundred ten million, three hundred eleven thousand, two hundred thirty-one".