120001120211999 has 6 divisors (see below), whose sum is σ = 129942041413176. Its totient is φ = 110770264810920.

The previous prime is 120001120211923. The next prime is 120001120212041. The reversal of 120001120211999 is 999112021100021.

It is not a de Polignac number, because 120001120211999 - 2²⁴ = 120001103434783 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 (120001120211909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355032899867 + ... + 355032900204.

It is an arithmetic number, because the mean of its divisors is an integer number (21657006902196).

Almost surely, 2^{120001120211999} is an apocalyptic number.

120001120211999 is a deficient number, since it is larger than the sum of its proper divisors (9940921201177).

120001120211999 is an equidigital number, since it uses as much as digits as its factorization.

120001120211999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710065800097 (or 710065800084 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 38.

The spelling of 120001120211999 in words is "one hundred twenty trillion, one billion, one hundred twenty million, two hundred eleven thousand, nine hundred ninety-nine".