2100220000220 has 24 divisors (see below), whose sum is σ = 4418380268064. Its totient is φ = 838579758656.

The previous prime is 2100220000183. The next prime is 2100220000247. The reversal of 2100220000220 is 220000220012.

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, 94253672 + ... + 94275951.

It is an arithmetic number, because the mean of its divisors is an integer number (184099177836).

Almost surely, 2^{2100220000220} is an apocalyptic number.

2100220000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100220000220 is an abundant number, since it is smaller than the sum of its proper divisors (2318160267844).

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

2100220000220 is a wasteful number, since it uses less digits than its factorization.

2100220000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188530189 (or 188530187 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 2100220000220 its reverse (220000220012), we get a palindrome (2320220220232).

The spelling of 2100220000220 in words is "two trillion, one hundred billion, two hundred twenty million, two hundred twenty", and thus it is an aban number.