120102002102 has 4 divisors (see below), whose sum is σ = 180153003156. Its totient is φ = 60051001050.

The previous prime is 120102002099. The next prime is 120102002107. The reversal of 120102002102 is 201200201021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120102002107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30025500524 + ... + 30025500527.

It is an arithmetic number, because the mean of its divisors is an integer number (45038250789).

Almost surely, 2^120102002102 is an apocalyptic number.

120102002102 is a deficient number, since it is larger than the sum of its proper divisors (60051001054).

120102002102 is an equidigital number, since it uses as much as digits as its factorization.

120102002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60051001053.

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

Adding to 120102002102 its reverse (201200201021), we get a palindrome (321302203123).

The spelling of 120102002102 in words is "one hundred twenty billion, one hundred two million, two thousand, one hundred two".