210021002201100 has 72 divisors (see below), whose sum is σ = 608868839900160. Its totient is φ = 55894257404480.

The previous prime is 210021002201027. The next prime is 210021002201111. The reversal of 210021002201100 is 1102200120012.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 695743740 + ... + 696045539.

It is an arithmetic number, because the mean of its divisors is an integer number (8456511665280).

Almost surely, 2^{210021002201100} is an apocalyptic number.

210021002201100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210021002201100 is an abundant number, since it is smaller than the sum of its proper divisors (398847837699060).

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

210021002201100 is a wasteful number, since it uses less digits than its factorization.

210021002201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391789799 (or 1391789792 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210021002201100 its reverse (1102200120012), we get a palindrome (211123202321112).

The spelling of 210021002201100 in words is "two hundred ten trillion, twenty-one billion, two million, two hundred one thousand, one hundred".