1144512211 has 2 divisors, whose sum is σ = 1144512212. Its totient is φ = 1144512210.

The previous prime is 1144512191. The next prime is 1144512227. The reversal of 1144512211 is 1122154411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1144512211 - 2⁵ = 1144512179 is a prime.

It is a super-2 number, since 2×1144512211² = 2619816402256217042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1144512011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572256105 + 572256106.

It is an arithmetic number, because the mean of its divisors is an integer number (572256106).

Almost surely, 2^1144512211 is an apocalyptic number.

1144512211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144512211 is an equidigital number, since it uses as much as digits as its factorization.

1144512211 is an evil number, because the sum of its binary digits is even.

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

The square root of 1144512211 is about 33830.6401210500. The cubic root of 1144512211 is about 1046.0203737378.

Adding to 1144512211 its reverse (1122154411), we get a palindrome (2266666622).

The spelling of 1144512211 in words is "one billion, one hundred forty-four million, five hundred twelve thousand, two hundred eleven".