210001202001100 has 18 divisors (see below), whose sum is σ = 455702608342604. Its totient is φ = 84000480800400.

The previous prime is 210001202001079. The next prime is 210001202001131. The reversal of 210001202001100 is 1100202100012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1050006009906 + ... + 1050006010105.

Almost surely, 2^{210001202001100} is an apocalyptic number.

210001202001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210001202001100 is an abundant number, since it is smaller than the sum of its proper divisors (245701406341504).

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

210001202001100 is a wasteful number, since it uses less digits than its factorization.

210001202001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100012020025 (or 2100012020018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210001202001100 its reverse (1100202100012), we get a palindrome (211101404101112).

The spelling of 210001202001100 in words is "two hundred ten trillion, one billion, two hundred two million, one thousand, one hundred".