2122151113 has 2 divisors, whose sum is σ = 2122151114. Its totient is φ = 2122151112.

The previous prime is 2122151081. The next prime is 2122151153. The reversal of 2122151113 is 3111512212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1633210569 + 488940544 = 40413^2 + 22112^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122151113 - 2⁵ = 2122151081 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122151153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061075556 + 1061075557.

It is an arithmetic number, because the mean of its divisors is an integer number (1061075557).

Almost surely, 2^2122151113 is an apocalyptic number.

It is an amenable number.

2122151113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122151113 is an equidigital number, since it uses as much as digits as its factorization.

2122151113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120, while the sum is 19.

The square root of 2122151113 is about 46066.8114047413. The cubic root of 2122151113 is about 1285.0660057845.

Adding to 2122151113 its reverse (3111512212), we get a palindrome (5233663325).

The spelling of 2122151113 in words is "two billion, one hundred twenty-two million, one hundred fifty-one thousand, one hundred thirteen".