3121322224242 has 16 divisors (see below), whose sum is σ = 6255154764000. Its totient is φ = 1038355688832.

The previous prime is 3121322224231. The next prime is 3121322224253. The reversal of 3121322224242 is 2424222231213.

It is an interprime number because it is at equal distance from previous prime (3121322224231) and next prime (3121322224253).

It is a super-2 number, since 2×3121322224242² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521259903 + ... + 521265890.

It is an arithmetic number, because the mean of its divisors is an integer number (390947172750).

Almost surely, 2^{3121322224242} is an apocalyptic number.

3121322224242 is an abundant number, since it is smaller than the sum of its proper divisors (3133832539758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121322224242 is a wasteful number, since it uses less digits than its factorization.

3121322224242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042526297.

The product of its digits is 18432, while the sum is 30.

Adding to 3121322224242 its reverse (2424222231213), we get a palindrome (5545544455455).

The spelling of 3121322224242 in words is "three trillion, one hundred twenty-one billion, three hundred twenty-two million, two hundred twenty-four thousand, two hundred forty-two".