1001020010202 has 12 divisors (see below), whose sum is σ = 2168876688810. Its totient is φ = 333673336728.

The previous prime is 1001020010171. The next prime is 1001020010239. The reversal of 1001020010202 is 2020100201001.

1001020010202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 574883920521 + 426136089681 = 758211^2 + 652791^2 .

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 5 ways as a sum of consecutive naturals, for example, 27806111377 + ... + 27806111412.

Almost surely, 2^{1001020010202} is an apocalyptic number.

1001020010202 is an abundant number, since it is smaller than the sum of its proper divisors (1167856678608).

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

1001020010202 is a wasteful number, since it uses less digits than its factorization.

1001020010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55612222797 (or 55612222794 counting only the distinct ones).

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

Adding to 1001020010202 its reverse (2020100201001), we get a palindrome (3021120211203).

The spelling of 1001020010202 in words is "one trillion, one billion, twenty million, ten thousand, two hundred two".