111311102312010 has 96 divisors (see below), whose sum is σ = 291101310206928. Its totient is φ = 29509399664640.

The previous prime is 111311102312009. The next prime is 111311102312063. The reversal of 111311102312010 is 10213201113111.

111311102312010 is a `hidden beast` number, since 111 + 311 + 1 + 0 + 231 + 2 + 0 + 10 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 10747650846321 + 100563451465689 = 3278361^2 + 10028133^2 .

It is a super-2 number, since 2×111311102312010² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 239125090 + ... + 239590130.

Almost surely, 2^{111311102312010} is an apocalyptic number.

111311102312010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111311102312010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145550655103464).

111311102312010 is an abundant number, since it is smaller than the sum of its proper divisors (179790207894918).

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

111311102312010 is a wasteful number, since it uses less digits than its factorization.

111311102312010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480600 (or 480597 counting only the distinct ones).

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

Adding to 111311102312010 its reverse (10213201113111), we get a palindrome (121524303425121).

The spelling of 111311102312010 in words is "one hundred eleven trillion, three hundred eleven billion, one hundred two million, three hundred twelve thousand, ten".