120031020001 has 4 divisors (see below), whose sum is σ = 120042737172. Its totient is φ = 120019302832.

The previous prime is 120031019989. The next prime is 120031020007. The reversal of 120031020001 is 100020130021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100020130021 = 7 ⋅14288590003.

It can be written as a sum of positive squares in 2 ways, for example, as 53879694400 + 66151325601 = 232120^2 + 257199^2 .

It is a cyclic number.

It is not a de Polignac number, because 120031020001 - 2²⁵ = 119997465569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120031020001.

It is not an unprimeable number, because it can be changed into a prime (120031020007) 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, 5843206 + ... + 5863711.

It is an arithmetic number, because the mean of its divisors is an integer number (30010684293).

Almost surely, 2^120031020001 is an apocalyptic number.

It is an amenable number.

120031020001 is a deficient number, since it is larger than the sum of its proper divisors (11717171).

120031020001 is a wasteful number, since it uses less digits than its factorization.

120031020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11717170.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 120031020001 its reverse (100020130021), we get a palindrome (220051150022).

The spelling of 120031020001 in words is "one hundred twenty billion, thirty-one million, twenty thousand, one".