11312112323011 has 4 divisors (see below), whose sum is σ = 11327845442400. Its totient is φ = 11296379203624.

The previous prime is 11312112322943. The next prime is 11312112323033. The reversal of 11312112323011 is 11032321121311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11312112323011 - 2¹¹ = 11312112320963 is a prime.

It is a super-2 number, since 2×11312112323011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312112323311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7866558616 + ... + 7866560053.

It is an arithmetic number, because the mean of its divisors is an integer number (2831961360600).

Almost surely, 2^{11312112323011} is an apocalyptic number.

11312112323011 is a deficient number, since it is larger than the sum of its proper divisors (15733119389).

11312112323011 is an equidigital number, since it uses as much as digits as its factorization.

11312112323011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15733119388.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 11312112323011 its reverse (11032321121311), we get a palindrome (22344433444322).

The spelling of 11312112323011 in words is "eleven trillion, three hundred twelve billion, one hundred twelve million, three hundred twenty-three thousand, eleven".