210021201202104 has 48 divisors (see below), whose sum is σ = 568839615762600. Its totient is φ = 70003104502464.

The previous prime is 210021201202097. The next prime is 210021201202139. The reversal of 210021201202104 is 401202102120012.

210021201202104 is a `hidden beast` number, since 210 + 0 + 2 + 120 + 120 + 210 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81272434 + ... + 83816769.

Almost surely, 2^{210021201202104} is an apocalyptic number.

210021201202104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

210021201202104 is an abundant number, since it is smaller than the sum of its proper divisors (358818414560496).

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

210021201202104 is a wasteful number, since it uses less digits than its factorization.

210021201202104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165106884 (or 165106877 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210021201202104 its reverse (401202102120012), we get a palindrome (611223303322116).

The spelling of 210021201202104 in words is "two hundred ten trillion, twenty-one billion, two hundred one million, two hundred two thousand, one hundred four".