3321101220 has 96 divisors (see below), whose sum is σ = 9376553088. Its totient is φ = 878287872.

The previous prime is 3321101177. The next prime is 3321101221. The reversal of 3321101220 is 221011233.

It is a super-2 number, since 2×3321101220² = 22059426626970976800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3321101220.

It is not an unprimeable number, because it can be changed into a prime (3321101221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5382352 + ... + 5382968.

It is an arithmetic number, because the mean of its divisors is an integer number (97672428).

Almost surely, 2^3321101220 is an apocalyptic number.

3321101220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3321101220 is an abundant number, since it is smaller than the sum of its proper divisors (6055451868).

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

3321101220 is a wasteful number, since it uses less digits than its factorization.

3321101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229 (or 1227 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3321101220 is about 57628.9963473250. The cubic root of 3321101220 is about 1491.9721074982.

Adding to 3321101220 its reverse (221011233), we get a palindrome (3542112453).

The spelling of 3321101220 in words is "three billion, three hundred twenty-one million, one hundred one thousand, two hundred twenty".