1002200101002 has 12 divisors (see below), whose sum is σ = 2171433552210. Its totient is φ = 334066700328.

The previous prime is 1002200100997. The next prime is 1002200101013. The reversal of 1002200101002 is 2001010022001.

It can be written as a sum of positive squares in only one way, i.e., 707178401721 + 295021699281 = 840939^2 + 543159^2 .

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, 27838891677 + ... + 27838891712.

Almost surely, 2^{1002200101002} is an apocalyptic number.

1002200101002 is an abundant number, since it is smaller than the sum of its proper divisors (1169233451208).

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

1002200101002 is a wasteful number, since it uses less digits than its factorization.

1002200101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55677783397 (or 55677783394 counting only the distinct ones).

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

Adding to 1002200101002 its reverse (2001010022001), we get a palindrome (3003210123003).

The spelling of 1002200101002 in words is "one trillion, two billion, two hundred million, one hundred one thousand, two".