2122221151 has 2 divisors, whose sum is σ = 2122221152. Its totient is φ = 2122221150.

The previous prime is 2122221149. The next prime is 2122221217. The reversal of 2122221151 is 1511222212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2122221151 - 2¹ = 2122221149 is a prime.

It is a super-2 number, since 2×2122221151² = 9007645227503529602, which contains 22 as substring.

Together with 2122221149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122225151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061110575 + 1061110576.

It is an arithmetic number, because the mean of its divisors is an integer number (1061110576).

Almost surely, 2^2122221151 is an apocalyptic number.

2122221151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122221151 is an equidigital number, since it uses as much as digits as its factorization.

2122221151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 160, while the sum is 19.

The square root of 2122221151 is about 46067.5715769781. The cubic root of 2122221151 is about 1285.0801427706.

Adding to 2122221151 its reverse (1511222212), we get a palindrome (3633443363).

The spelling of 2122221151 in words is "two billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred fifty-one".