2154141211 has 2 divisors, whose sum is σ = 2154141212. Its totient is φ = 2154141210.

The previous prime is 2154141203. The next prime is 2154141259. The reversal of 2154141211 is 1121414512.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2154141211 - 2³ = 2154141203 is a prime.

It is not a weakly prime, because it can be changed into another prime (2154148211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077070605 + 1077070606.

It is an arithmetic number, because the mean of its divisors is an integer number (1077070606).

Almost surely, 2^2154141211 is an apocalyptic number.

2154141211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2154141211 is an equidigital number, since it uses as much as digits as its factorization.

2154141211 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 2154141211 is about 46412.7268214226. The cubic root of 2154141211 is about 1291.4910169993.

Adding to 2154141211 its reverse (1121414512), we get a palindrome (3275555723).

The spelling of 2154141211 in words is "two billion, one hundred fifty-four million, one hundred forty-one thousand, two hundred eleven".