1222011113031 has 24 divisors (see below), whose sum is σ = 1848626065104. Its totient is φ = 806607979200.

The previous prime is 1222011113003. The next prime is 1222011113039. The reversal of 1222011113031 is 1303111102221.

It is not a de Polignac number, because 1222011113031 - 2⁹ = 1222011112519 is a prime.

It is a super-2 number, since 2×1222011113031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222011112995 and 1222011113013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222011113039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24870766 + ... + 24919851.

It is an arithmetic number, because the mean of its divisors is an integer number (77026086046).

Almost surely, 2^{1222011113031} is an apocalyptic number.

1222011113031 is a deficient number, since it is larger than the sum of its proper divisors (626614952073).

1222011113031 is an equidigital number, since it uses as much as digits as its factorization.

1222011113031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49790733 (or 49790721 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1222011113031 its reverse (1303111102221), we get a palindrome (2525122215252).

The spelling of 1222011113031 in words is "one trillion, two hundred twenty-two billion, eleven million, one hundred thirteen thousand, thirty-one".