1112231120231 has 16 divisors (see below), whose sum is σ = 1402258417920. Its totient is φ = 856935689280.

The previous prime is 1112231120191. The next prime is 1112231120237. The reversal of 1112231120231 is 1320211322111.

It is not a de Polignac number, because 1112231120231 - 2⁶ = 1112231120167 is a prime.

It is a super-2 number, since 2×1112231120231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112231120237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81142361 + ... + 81156066.

It is an arithmetic number, because the mean of its divisors is an integer number (87641151120).

Almost surely, 2^{1112231120231} is an apocalyptic number.

1112231120231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1112231120231 is a deficient number, since it is larger than the sum of its proper divisors (290027297689).

1112231120231 is a wasteful number, since it uses less digits than its factorization.

1112231120231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162298534.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1112231120231 its reverse (1320211322111), we get a palindrome (2432442442342).

The spelling of 1112231120231 in words is "one trillion, one hundred twelve billion, two hundred thirty-one million, one hundred twenty thousand, two hundred thirty-one".