120102111002 has 4 divisors (see below), whose sum is σ = 180153166506. Its totient is φ = 60051055500.

The previous prime is 120102110993. The next prime is 120102111011. The reversal of 120102111002 is 200111201021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200111201021 = 81967 ⋅2441363.

It is an interprime number because it is at equal distance from previous prime (120102110993) and next prime (120102111011).

It can be written as a sum of positive squares in only one way, i.e., 101671061881 + 18431049121 = 318859^2 + 135761^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30025527749 + ... + 30025527752.

Almost surely, 2^120102111002 is an apocalyptic number.

120102111002 is a deficient number, since it is larger than the sum of its proper divisors (60051055504).

120102111002 is an equidigital number, since it uses as much as digits as its factorization.

120102111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60051055503.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120102111002 its reverse (200111201021), we get a palindrome (320213312023).

The spelling of 120102111002 in words is "one hundred twenty billion, one hundred two million, one hundred eleven thousand, two".