111203231311210 has 64 divisors (see below), whose sum is σ = 204743225873952. Its totient is φ = 43476224311296.

The previous prime is 111203231311171. The next prime is 111203231311219. The reversal of 111203231311210 is 12113132302111.

It can be written as a sum of positive squares in 16 ways, for example, as 90684043615489 + 20519187695721 = 9522817^2 + 4529811^2 .

It is a super-2 number, since 2×111203231311210² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111203231311219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56742234 + ... + 58669306.

Almost surely, 2^{111203231311210} is an apocalyptic number.

111203231311210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111203231311210 is a deficient number, since it is larger than the sum of its proper divisors (93539994562742).

111203231311210 is a wasteful number, since it uses less digits than its factorization.

111203231311210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927867.

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

Adding to 111203231311210 its reverse (12113132302111), we get a palindrome (123316363613321).

Subtracting from 111203231311210 its reverse (12113132302111), we obtain a palindrome (99090099009099).

The spelling of 111203231311210 in words is "one hundred eleven trillion, two hundred three billion, two hundred thirty-one million, three hundred eleven thousand, two hundred ten".