2120222301231 has 4 divisors (see below), whose sum is σ = 2826963068312. Its totient is φ = 1413481534152.

The previous prime is 2120222301229. The next prime is 2120222301233. The reversal of 2120222301231 is 1321032220212.

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

It is an interprime number because it is at equal distance from previous prime (2120222301229) and next prime (2120222301233).

It is not a de Polignac number, because 2120222301231 - 2¹ = 2120222301229 is a prime.

It is a super-2 number, since 2×2120222301231² (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 = 2120222301198 and 2120222301207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120222301233) 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, 353370383536 + ... + 353370383541.

It is an arithmetic number, because the mean of its divisors is an integer number (706740767078).

Almost surely, 2^{2120222301231} is an apocalyptic number.

2120222301231 is a deficient number, since it is larger than the sum of its proper divisors (706740767081).

2120222301231 is an equidigital number, since it uses as much as digits as its factorization.

2120222301231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706740767080.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2120222301231 its reverse (1321032220212), we get a palindrome (3441254521443).

The spelling of 2120222301231 in words is "two trillion, one hundred twenty billion, two hundred twenty-two million, three hundred one thousand, two hundred thirty-one".