120002111021321 has 8 divisors (see below), whose sum is σ = 122034270705600. Its totient is φ = 117972045271440.

The previous prime is 120002111021269. The next prime is 120002111021371. The reversal of 120002111021321 is 123120111200021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120002111021321 - 2²² = 120002106827017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120002111021321.

It is not an unprimeable number, because it can be changed into a prime (120002111021371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523368011 + ... + 523597248.

It is an arithmetic number, because the mean of its divisors is an integer number (15254283838200).

Almost surely, 2^{120002111021321} is an apocalyptic number.

It is an amenable number.

120002111021321 is a deficient number, since it is larger than the sum of its proper divisors (2032159684279).

120002111021321 is a wasteful number, since it uses less digits than its factorization.

120002111021321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046967199.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 120002111021321 its reverse (123120111200021), we get a palindrome (243122222221342).

The spelling of 120002111021321 in words is "one hundred twenty trillion, two billion, one hundred eleven million, twenty-one thousand, three hundred twenty-one".