2111253211 has 2 divisors, whose sum is σ = 2111253212. Its totient is φ = 2111253210.

The previous prime is 2111253181. The next prime is 2111253217. The reversal of 2111253211 is 1123521112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2111253211 - 2⁷ = 2111253083 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111253217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055626605 + 1055626606.

It is an arithmetic number, because the mean of its divisors is an integer number (1055626606).

Almost surely, 2^2111253211 is an apocalyptic number.

2111253211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111253211 is an equidigital number, since it uses as much as digits as its factorization.

2111253211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120, while the sum is 19.

The square root of 2111253211 is about 45948.3754990315. The cubic root of 2111253211 is about 1282.8624924947.

Adding to 2111253211 its reverse (1123521112), we get a palindrome (3234774323).

The spelling of 2111253211 in words is "two billion, one hundred eleven million, two hundred fifty-three thousand, two hundred eleven".