2021130120233 has 16 divisors (see below), whose sum is σ = 2398139911680. Its totient is φ = 1666620881856.

The previous prime is 2021130120227. The next prime is 2021130120239. The reversal of 2021130120233 is 3320210311202.

It is an interprime number because it is at equal distance from previous prime (2021130120227) and next prime (2021130120239).

It is not a de Polignac number, because 2021130120233 - 2³⁰ = 2020056378409 is a prime.

It is a super-2 number, since 2×2021130120233² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021130120239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17915441 + ... + 18027902.

It is an arithmetic number, because the mean of its divisors is an integer number (149883744480).

Almost surely, 2^{2021130120233} is an apocalyptic number.

It is an amenable number.

2021130120233 is a deficient number, since it is larger than the sum of its proper divisors (377009791447).

2021130120233 is a wasteful number, since it uses less digits than its factorization.

2021130120233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35943656.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2021130120233 its reverse (3320210311202), we get a palindrome (5341340431435).

The spelling of 2021130120233 in words is "two trillion, twenty-one billion, one hundred thirty million, one hundred twenty thousand, two hundred thirty-three".