1021010000202 has 24 divisors (see below), whose sum is σ = 2212208334336. Its totient is φ = 340333589736.

The previous prime is 1021010000161. The next prime is 1021010000251. The reversal of 1021010000202 is 2020000101201.

It is a super-2 number, since 2×1021010000202² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 2729613 + ... + 3081039.

It is an arithmetic number, because the mean of its divisors is an integer number (92175347264).

Almost surely, 2^{1021010000202} is an apocalyptic number.

1021010000202 is an abundant number, since it is smaller than the sum of its proper divisors (1191198334134).

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

1021010000202 is a wasteful number, since it uses less digits than its factorization.

1021010000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512842 (or 512839 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1021010000202 its reverse (2020000101201), we get a palindrome (3041010101403).

The spelling of 1021010000202 in words is "one trillion, twenty-one billion, ten million, two hundred two", and thus it is an aban number.