3331220311220 has 24 divisors (see below), whose sum is σ = 6995749566624. Its totient is φ = 1332452522016.

The previous prime is 3331220311193. The next prime is 3331220311247. The reversal of 3331220311220 is 221130221333.

It is an interprime number because it is at equal distance from previous prime (3331220311193) and next prime (3331220311247).

It is a super-2 number, since 2×3331220311220² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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, 1451342 + ... + 2961221.

It is an arithmetic number, because the mean of its divisors is an integer number (291489565276).

Almost surely, 2^{3331220311220} is an apocalyptic number.

It is an amenable number.

3331220311220 is an abundant number, since it is smaller than the sum of its proper divisors (3664529255404).

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

3331220311220 is a wasteful number, since it uses less digits than its factorization.

3331220311220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4450319 (or 4450317 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 3331220311220 its reverse (221130221333), we get a palindrome (3552350532553).

The spelling of 3331220311220 in words is "three trillion, three hundred thirty-one billion, two hundred twenty million, three hundred eleven thousand, two hundred twenty".