202220021202100 has 72 divisors (see below), whose sum is σ = 478791383515200. Its totient is φ = 73522042809600.

The previous prime is 202220021202097. The next prime is 202220021202139. The reversal of 202220021202100 is 1202120022202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9168105 + ... + 22101904.

It is an arithmetic number, because the mean of its divisors is an integer number (6649880326600).

Almost surely, 2^{202220021202100} is an apocalyptic number.

202220021202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202220021202100 is an abundant number, since it is smaller than the sum of its proper divisors (276571362313100).

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

202220021202100 is a wasteful number, since it uses less digits than its factorization.

202220021202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31275913 (or 31275906 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202220021202100 its reverse (1202120022202), we get a palindrome (203422141224302).

The spelling of 202220021202100 in words is "two hundred two trillion, two hundred twenty billion, twenty-one million, two hundred two thousand, one hundred".