2120054041231 has 4 divisors (see below), whose sum is σ = 2422918904272. Its totient is φ = 1817189178192.

The previous prime is 2120054041229. The next prime is 2120054041309. The reversal of 2120054041231 is 1321404500212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2120054041231 - 2¹ = 2120054041229 is a prime.

It is a super-2 number, since 2×2120054041231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120054041196 and 2120054041205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120054045231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151432431510 + ... + 151432431523.

It is an arithmetic number, because the mean of its divisors is an integer number (605729726068).

Almost surely, 2^{2120054041231} is an apocalyptic number.

2120054041231 is a deficient number, since it is larger than the sum of its proper divisors (302864863041).

2120054041231 is an equidigital number, since it uses as much as digits as its factorization.

2120054041231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302864863040.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 2120054041231 its reverse (1321404500212), we get a palindrome (3441458541443).

The spelling of 2120054041231 in words is "two trillion, one hundred twenty billion, fifty-four million, forty-one thousand, two hundred thirty-one".