2100010002 has 32 divisors (see below), whose sum is σ = 4393699200. Its totient is φ = 668266368.

The previous prime is 2100009943. The next prime is 2100010021. The reversal of 2100010002 is 2000100012.

It is a happy number.

2100010002 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52318 + ... + 83289.

It is an arithmetic number, because the mean of its divisors is an integer number (137303100).

Almost surely, 2^2100010002 is an apocalyptic number.

2100010002 is an abundant number, since it is smaller than the sum of its proper divisors (2293689198).

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

2100010002 is a wasteful number, since it uses less digits than its factorization.

2100010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135730.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 2100010002 is about 45825.8660801954. The cubic root of 2100010002 is about 1280.5811980561.

Adding to 2100010002 its reverse (2000100012), we get a palindrome (4100110014).

The spelling of 2100010002 in words is "two billion, one hundred million, ten thousand, two".