1220010113231 has 8 divisors (see below), whose sum is σ = 1501550908704. Its totient is φ = 965282726880.

The previous prime is 1220010113227. The next prime is 1220010113239. The reversal of 1220010113231 is 1323110100221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220010113231 - 2² = 1220010113227 is a prime.

It is a super-2 number, since 2×1220010113231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220010113239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6703352180 + ... + 6703352361.

It is an arithmetic number, because the mean of its divisors is an integer number (187693863588).

Almost surely, 2^{1220010113231} is an apocalyptic number.

1220010113231 is a deficient number, since it is larger than the sum of its proper divisors (281540795473).

1220010113231 is a wasteful number, since it uses less digits than its factorization.

1220010113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13406704561.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1220010113231 its reverse (1323110100221), we get a palindrome (2543120213452).

The spelling of 1220010113231 in words is "one trillion, two hundred twenty billion, ten million, one hundred thirteen thousand, two hundred thirty-one".