2102120010002 has 32 divisors (see below), whose sum is σ = 3298434048000. Its totient is φ = 1002871721808.

The previous prime is 2102120009999. The next prime is 2102120010007. The reversal of 2102120010002 is 2000100212012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2102120010007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30698999 + ... + 30767397.

It is an arithmetic number, because the mean of its divisors is an integer number (103076064000).

Almost surely, 2^{2102120010002} is an apocalyptic number.

2102120010002 is a deficient number, since it is larger than the sum of its proper divisors (1196314037998).

2102120010002 is a wasteful number, since it uses less digits than its factorization.

2102120010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70070.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2102120010002 its reverse (2000100212012), we get a palindrome (4102220222014).

The spelling of 2102120010002 in words is "two trillion, one hundred two billion, one hundred twenty million, ten thousand, two".