2120122351 has 2 divisors, whose sum is σ = 2120122352. Its totient is φ = 2120122350.

The previous prime is 2120122337. The next prime is 2120122357. The reversal of 2120122351 is 1532210212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120122351 - 2²¹ = 2118025199 is a prime.

It is a super-3 number, since 3×2120122351³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120122357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060061175 + 1060061176.

It is an arithmetic number, because the mean of its divisors is an integer number (1060061176).

Almost surely, 2^2120122351 is an apocalyptic number.

2120122351 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120122351 is an equidigital number, since it uses as much as digits as its factorization.

2120122351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2120122351 is about 46044.7863606728. The cubic root of 2120122351 is about 1284.6563704396.

Adding to 2120122351 its reverse (1532210212), we get a palindrome (3652332563).

The spelling of 2120122351 in words is "two billion, one hundred twenty million, one hundred twenty-two thousand, three hundred fifty-one".