210101001020992 has 28 divisors (see below), whose sum is σ = 416949906012160. Its totient is φ = 105042756986496.

The previous prime is 210101001020971. The next prime is 210101001020993. The reversal of 210101001020992 is 299020100101012.

It is a self number, because there is not a number n which added to its sum of digits gives 210101001020992.

It is not an unprimeable number, because it can be changed into a prime (210101001020993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120117492 + ... + 121854067.

Almost surely, 2^{210101001020992} is an apocalyptic number.

It is an amenable number.

210101001020992 is a deficient number, since it is larger than the sum of its proper divisors (206848904991168).

210101001020992 is a wasteful number, since it uses less digits than its factorization.

210101001020992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241985138 (or 241985128 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 210101001020992 in words is "two hundred ten trillion, one hundred one billion, one million, twenty thousand, nine hundred ninety-two".