1002002030100 has 72 divisors (see below), whose sum is σ = 3221250979520. Its totient is φ = 267200540640.

The previous prime is 1002002030083. The next prime is 1002002030101. The reversal of 1002002030100 is 10302002001.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002002030101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185553232 + ... + 185558631.

Almost surely, 2^{1002002030100} is an apocalyptic number.

1002002030100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002002030100 is an abundant number, since it is smaller than the sum of its proper divisors (2219248949420).

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

1002002030100 is a wasteful number, since it uses less digits than its factorization.

1002002030100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371111886 (or 371111873 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 1002002030100 its reverse (10302002001), we get a palindrome (1012304032101).

The spelling of 1002002030100 in words is "one trillion, two billion, two million, thirty thousand, one hundred".