120002112021001 has 4 divisors (see below), whose sum is σ = 137145270881152. Its totient is φ = 102858953160852.

The previous prime is 120002112020983. The next prime is 120002112021023. The reversal of 120002112021001 is 100120211200021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 120002112021001 - 2²⁷ = 120001977803273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120302112021001) 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, 8571579430065 + ... + 8571579430078.

It is an arithmetic number, because the mean of its divisors is an integer number (34286317720288).

Almost surely, 2^{120002112021001} is an apocalyptic number.

It is an amenable number.

120002112021001 is a deficient number, since it is larger than the sum of its proper divisors (17143158860151).

120002112021001 is an equidigital number, since it uses as much as digits as its factorization.

120002112021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17143158860150.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120002112021001 its reverse (100120211200021), we get a palindrome (220122323221022).

The spelling of 120002112021001 in words is "one hundred twenty trillion, two billion, one hundred twelve million, twenty-one thousand, one".