120102102002 has 16 divisors (see below), whose sum is σ = 182661252792. Its totient is φ = 59215380480.

The previous prime is 120102101989. The next prime is 120102102017. The reversal of 120102102002 is 200201201021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 93134222041 + 26967879961 = 305179^2 + 164219^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591602 + ... + 768242.

Almost surely, 2^120102102002 is an apocalyptic number.

120102102002 is a deficient number, since it is larger than the sum of its proper divisors (62559150790).

120102102002 is a wasteful number, since it uses less digits than its factorization.

120102102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181373.

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

Adding to 120102102002 its reverse (200201201021), we get a palindrome (320303303023).

The spelling of 120102102002 in words is "one hundred twenty billion, one hundred two million, one hundred two thousand, two".