102120002002 has 4 divisors (see below), whose sum is σ = 153180003006. Its totient is φ = 51060001000.

The previous prime is 102120001967. The next prime is 102120002011. The reversal of 102120002002 is 200200021201.

102120002002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200200021201 = 769 ⋅260338129.

It can be written as a sum of positive squares in only one way, i.e., 85463260281 + 16656741721 = 292341^2 + 129061^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102120002002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25530000499 + ... + 25530000502.

Almost surely, 2^102120002002 is an apocalyptic number.

102120002002 is a deficient number, since it is larger than the sum of its proper divisors (51060001004).

102120002002 is an equidigital number, since it uses as much as digits as its factorization.

102120002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51060001003.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 102120002002 its reverse (200200021201), we get a palindrome (302320023203).

The spelling of 102120002002 in words is "one hundred two billion, one hundred twenty million, two thousand, two".