120102102109999 has 4 divisors (see below), whose sum is σ = 122895174252136. Its totient is φ = 117309029967864.

The previous prime is 120102102109933. The next prime is 120102102110021. The reversal of 120102102109999 is 999901201201021.

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

It is a cyclic number.

It is not a de Polignac number, because 120102102109999 - 2⁹ = 120102102109487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120102102109699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1396536071004 + ... + 1396536071089.

It is an arithmetic number, because the mean of its divisors is an integer number (30723793563034).

Almost surely, 2^{120102102109999} is an apocalyptic number.

120102102109999 is a deficient number, since it is larger than the sum of its proper divisors (2793072142137).

120102102109999 is an equidigital number, since it uses as much as digits as its factorization.

120102102109999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793072142136.

The product of its (nonzero) digits is 52488, while the sum is 46.

The spelling of 120102102109999 in words is "one hundred twenty trillion, one hundred two billion, one hundred two million, one hundred nine thousand, nine hundred ninety-nine".