1231113220022 has 8 divisors (see below), whose sum is σ = 2110479805776. Its totient is φ = 527619951432.

The previous prime is 1231113220009. The next prime is 1231113220033. The reversal of 1231113220022 is 2200223111321.

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

It is a junction number, because it is equal to n+sod(n) for n = 1231113219976 and 1231113220003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43968329273 + ... + 43968329300.

It is an arithmetic number, because the mean of its divisors is an integer number (263809975722).

Almost surely, 2^{1231113220022} is an apocalyptic number.

1231113220022 is a deficient number, since it is larger than the sum of its proper divisors (879366585754).

1231113220022 is an equidigital number, since it uses as much as digits as its factorization.

1231113220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87936658582.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1231113220022 its reverse (2200223111321), we get a palindrome (3431336331343).

The spelling of 1231113220022 in words is "one trillion, two hundred thirty-one billion, one hundred thirteen million, two hundred twenty thousand, twenty-two".