3021100220 has 12 divisors (see below), whose sum is σ = 6344310504. Its totient is φ = 1208440080.

The previous prime is 3021100219. The next prime is 3021100231. The reversal of 3021100220 is 220011203.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75527486 + ... + 75527525.

It is an arithmetic number, because the mean of its divisors is an integer number (528692542).

Almost surely, 2^3021100220 is an apocalyptic number.

It is an amenable number.

3021100220 is an abundant number, since it is smaller than the sum of its proper divisors (3323210284).

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

3021100220 is a wasteful number, since it uses less digits than its factorization.

3021100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151055020 (or 151055018 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 3021100220 is about 54964.5360209654. The cubic root of 3021100220 is about 1445.6229830120.

Adding to 3021100220 its reverse (220011203), we get a palindrome (3241111423).

The spelling of 3021100220 in words is "three billion, twenty-one million, one hundred thousand, two hundred twenty".