111311212011032 has 96 divisors (see below), whose sum is σ = 230969658276000. Its totient is φ = 50251402544640.

The previous prime is 111311212011019. The next prime is 111311212011061. The reversal of 111311212011032 is 230110212113111.

It is a junction number, because it is equal to n+sod(n) for n = 111311212010995 and 111311212011013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1699452908 + ... + 1699518404.

It is an arithmetic number, because the mean of its divisors is an integer number (2405933940375).

Almost surely, 2^{111311212011032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111311212011032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115484829138000).

111311212011032 is an abundant number, since it is smaller than the sum of its proper divisors (119658446264968).

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

111311212011032 is a wasteful number, since it uses less digits than its factorization.

111311212011032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77457 (or 77442 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 111311212011032 its reverse (230110212113111), we get a palindrome (341421424124143).

The spelling of 111311212011032 in words is "one hundred eleven trillion, three hundred eleven billion, two hundred twelve million, eleven thousand, thirty-two".