202100111202220 has 48 divisors (see below), whose sum is σ = 529134836606208. Its totient is φ = 62992242452160.

The previous prime is 202100111202203. The next prime is 202100111202251. The reversal of 202100111202220 is 22202111001202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202100111202194 and 202100111202203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65616917682 + ... + 65616920761.

It is an arithmetic number, because the mean of its divisors is an integer number (11023642429296).

Almost surely, 2^{202100111202220} is an apocalyptic number.

202100111202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202100111202220 is an abundant number, since it is smaller than the sum of its proper divisors (327034725403988).

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

202100111202220 is a wasteful number, since it uses less digits than its factorization.

202100111202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131233838470 (or 131233838468 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202100111202220 its reverse (22202111001202), we get a palindrome (224302222203422).

The spelling of 202100111202220 in words is "two hundred two trillion, one hundred billion, one hundred eleven million, two hundred two thousand, two hundred twenty".