3311221202220 has 96 divisors (see below), whose sum is σ = 9495298395072. Its totient is φ = 861843161088.

The previous prime is 3311221202213. The next prime is 3311221202257. The reversal of 3311221202220 is 222021221133.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2083837 + ... + 3311316.

It is an arithmetic number, because the mean of its divisors is an integer number (98909358282).

Almost surely, 2^{3311221202220} is an apocalyptic number.

3311221202220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3311221202220 is an abundant number, since it is smaller than the sum of its proper divisors (6184077192852).

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

3311221202220 is a wasteful number, since it uses less digits than its factorization.

3311221202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395411 (or 5395409 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 3311221202220 its reverse (222021221133), we get a palindrome (3533242423353).

The spelling of 3311221202220 in words is "three trillion, three hundred eleven billion, two hundred twenty-one million, two hundred two thousand, two hundred twenty".