202122002021100 has 72 divisors (see below), whose sum is σ = 668350086690048. Its totient is φ = 46199314747200.

The previous prime is 202122002021077. The next prime is 202122002021113. The reversal of 202122002021100 is 1120200221202.

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 202122002021100.

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, 48124284096 + ... + 48124288295.

Almost surely, 2^{202122002021100} is an apocalyptic number.

202122002021100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202122002021100 is an abundant number, since it is smaller than the sum of its proper divisors (466228084668948).

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

202122002021100 is a wasteful number, since it uses less digits than its factorization.

202122002021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96248572415 (or 96248572408 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202122002021100 its reverse (1120200221202), we get a palindrome (203242202242302).

The spelling of 202122002021100 in words is "two hundred two trillion, one hundred twenty-two billion, two million, twenty-one thousand, one hundred".