1220122310331 has 8 divisors (see below), whose sum is σ = 1632382068240. Its totient is φ = 810638712992.

The previous prime is 1220122310321. The next prime is 1220122310333. The reversal of 1220122310331 is 1330132210221.

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 1220122310331 - 2²² = 1220118116027 is a prime.

It is a super-2 number, since 2×1220122310331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220122310298 and 1220122310307.

It is not an unprimeable number, because it can be changed into a prime (1220122310333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694039116 + ... + 694040873.

It is an arithmetic number, because the mean of its divisors is an integer number (204047758530).

Almost surely, 2^{1220122310331} is an apocalyptic number.

1220122310331 is a deficient number, since it is larger than the sum of its proper divisors (412259757909).

1220122310331 is a wasteful number, since it uses less digits than its factorization.

1220122310331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388080285.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1220122310331 its reverse (1330132210221), we get a palindrome (2550254520552).

The spelling of 1220122310331 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, three hundred ten thousand, three hundred thirty-one".