2120300023121 has 32 divisors (see below), whose sum is σ = 2695330406400. Its totient is φ = 1626041926080.

The previous prime is 2120300023099. The next prime is 2120300023183. The reversal of 2120300023121 is 1213200030212.

It is a cyclic number.

It is not a de Polignac number, because 2120300023121 - 2¹⁸ = 2120299760977 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 2120300023121.

It is not an unprimeable number, because it can be changed into a prime (2120300023921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4145270 + ... + 4628591.

It is an arithmetic number, because the mean of its divisors is an integer number (84229075200).

Almost surely, 2^{2120300023121} is an apocalyptic number.

It is an amenable number.

2120300023121 is a deficient number, since it is larger than the sum of its proper divisors (575030383279).

2120300023121 is a wasteful number, since it uses less digits than its factorization.

2120300023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8773989.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2120300023121 its reverse (1213200030212), we get a palindrome (3333500053333).

The spelling of 2120300023121 in words is "two trillion, one hundred twenty billion, three hundred million, twenty-three thousand, one hundred twenty-one".