111113110121312 has 48 divisors (see below), whose sum is σ = 235585558620720. Its totient is φ = 51282016676352.

The previous prime is 111113110121287. The next prime is 111113110121383. The reversal of 111113110121312 is 213121011311111.

It is a super-2 number, since 2×111113110121312² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20066114 + ... + 24997502.

It is an arithmetic number, because the mean of its divisors is an integer number (4908032471265).

Almost surely, 2^{111113110121312} is an apocalyptic number.

It is an amenable number.

111113110121312 is an abundant number, since it is smaller than the sum of its proper divisors (124472448499408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111113110121312 is a wasteful number, since it uses less digits than its factorization.

111113110121312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4985575 (or 4985567 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 20.

Adding to 111113110121312 its reverse (213121011311111), we get a palindrome (324234121432423).

The spelling of 111113110121312 in words is "one hundred eleven trillion, one hundred thirteen billion, one hundred ten million, one hundred twenty-one thousand, three hundred twelve".