1222011222331 has 8 divisors (see below), whose sum is σ = 1248055395840. Its totient is φ = 1195968879528.

The previous prime is 1222011222281. The next prime is 1222011222347. The reversal of 1222011222331 is 1332221102221.

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 1222011222331 - 2²¹ = 1222009125179 is a prime.

It is a super-2 number, since 2×1222011222331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222011228331) 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, 936330 + ... + 1822288.

It is an arithmetic number, because the mean of its divisors is an integer number (156006924480).

Almost surely, 2^{1222011222331} is an apocalyptic number.

1222011222331 is a deficient number, since it is larger than the sum of its proper divisors (26044173509).

1222011222331 is an equidigital number, since it uses as much as digits as its factorization.

1222011222331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915353.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1222011222331 its reverse (1332221102221), we get a palindrome (2554232324552).

The spelling of 1222011222331 in words is "one trillion, two hundred twenty-two billion, eleven million, two hundred twenty-two thousand, three hundred thirty-one".