210100010201020 has 24 divisors (see below), whose sum is σ = 441235351393200. Its totient is φ = 84035179324032.

The previous prime is 210100010200981. The next prime is 210100010201051. The reversal of 210100010201020 is 20102010001012.

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

It is a junction number, because it is equal to n+sod(n) for n = 210100010200988 and 210100010201006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301190185 + ... + 301886944.

It is an arithmetic number, because the mean of its divisors is an integer number (18384806308050).

Almost surely, 2^{210100010201020} is an apocalyptic number.

210100010201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210100010201020 is an abundant number, since it is smaller than the sum of its proper divisors (231135341192180).

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

210100010201020 is a wasteful number, since it uses less digits than its factorization.

210100010201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603094557 (or 603094555 counting only the distinct ones).

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

Adding to 210100010201020 its reverse (20102010001012), we get a palindrome (230202020202032).

The spelling of 210100010201020 in words is "two hundred ten trillion, one hundred billion, ten million, two hundred one thousand, twenty".