2151144211 has 2 divisors, whose sum is σ = 2151144212. Its totient is φ = 2151144210.

The previous prime is 2151144209. The next prime is 2151144239. The reversal of 2151144211 is 1124411512.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2151144211 - 2¹ = 2151144209 is a prime.

Together with 2151144209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2151144241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075572105 + 1075572106.

It is an arithmetic number, because the mean of its divisors is an integer number (1075572106).

Almost surely, 2^2151144211 is an apocalyptic number.

2151144211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151144211 is an equidigital number, since it uses as much as digits as its factorization.

2151144211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 320, while the sum is 22.

The square root of 2151144211 is about 46380.4291808517. The cubic root of 2151144211 is about 1290.8917998623.

Adding to 2151144211 its reverse (1124411512), we get a palindrome (3275555723).

The spelling of 2151144211 in words is "two billion, one hundred fifty-one million, one hundred forty-four thousand, two hundred eleven".