210202100222100 has 144 divisors (see below), whose sum is σ = 695073786763776. Its totient is φ = 48045813552000.

The previous prime is 210202100222087. The next prime is 210202100222159. The reversal of 210202100222100 is 1222001202012.

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 210202100222100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 330245155 + ... + 330881045.

Almost surely, 2^{210202100222100} is an apocalyptic number.

210202100222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210202100222100 is an abundant number, since it is smaller than the sum of its proper divisors (484871686541676).

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

210202100222100 is a wasteful number, since it uses less digits than its factorization.

210202100222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793326 (or 793319 counting only the distinct ones).

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

Adding to 210202100222100 its reverse (1222001202012), we get a palindrome (211424101424112).

The spelling of 210202100222100 in words is "two hundred ten trillion, two hundred two billion, one hundred million, two hundred twenty-two thousand, one hundred".