2113221151 has 2 divisors, whose sum is σ = 2113221152. Its totient is φ = 2113221150.

The previous prime is 2113221127. The next prime is 2113221157. The reversal of 2113221151 is 1511223112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2113221151 - 2⁵ = 2113221119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113221157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056610575 + 1056610576.

It is an arithmetic number, because the mean of its divisors is an integer number (1056610576).

Almost surely, 2^2113221151 is an apocalyptic number.

2113221151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113221151 is an equidigital number, since it uses as much as digits as its factorization.

2113221151 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 2113221151 is about 45969.7851963657. The cubic root of 2113221151 is about 1283.2609623700.

Adding to 2113221151 its reverse (1511223112), we get a palindrome (3624444263).

The spelling of 2113221151 in words is "two billion, one hundred thirteen million, two hundred twenty-one thousand, one hundred fifty-one".