202201211021100 has 72 divisors (see below), whose sum is σ = 585083480000208. Its totient is φ = 53915901177600.

The previous prime is 202201211021023. The next prime is 202201211021167. The reversal of 202201211021100 is 1120112102202.

202201211021100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 202201211021100.

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, 23970811 + ... + 31289010.

Almost surely, 2^{202201211021100} is an apocalyptic number.

202201211021100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202201211021100 is an abundant number, since it is smaller than the sum of its proper divisors (382882268979108).

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

202201211021100 is a wasteful number, since it uses less digits than its factorization.

202201211021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55272035 (or 55272028 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202201211021100 its reverse (1120112102202), we get a palindrome (203321323123302).

The spelling of 202201211021100 in words is "two hundred two trillion, two hundred one billion, two hundred eleven million, twenty-one thousand, one hundred".