202220112211100 has 72 divisors (see below), whose sum is σ = 464665409041680. Its totient is φ = 76124195896320.

The previous prime is 202220112211063. The next prime is 202220112211163. The reversal of 202220112211100 is 1112211022202.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 18156407 + ... + 27094193.

It is an arithmetic number, because the mean of its divisors is an integer number (6453686236690).

Almost surely, 2^{202220112211100} is an apocalyptic number.

202220112211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202220112211100 is an abundant number, since it is smaller than the sum of its proper divisors (262445296830580).

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

202220112211100 is a wasteful number, since it uses less digits than its factorization.

202220112211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8951127 (or 8951120 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202220112211100 its reverse (1112211022202), we get a palindrome (203332323233302).

The spelling of 202220112211100 in words is "two hundred two trillion, two hundred twenty billion, one hundred twelve million, two hundred eleven thousand, one hundred".