1102311211 has 2 divisors, whose sum is σ = 1102311212. Its totient is φ = 1102311210.

The previous prime is 1102311209. The next prime is 1102311227. The reversal of 1102311211 is 1121132011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1102311211 - 2¹ = 1102311209 is a prime.

Together with 1102311209, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1102311191 and 1102311200.

It is not a weakly prime, because it can be changed into another prime (1102311241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551155605 + 551155606.

It is an arithmetic number, because the mean of its divisors is an integer number (551155606).

Almost surely, 2^1102311211 is an apocalyptic number.

1102311211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102311211 is an equidigital number, since it uses as much as digits as its factorization.

1102311211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1102311211 is about 33201.0724374982. The cubic root of 1102311211 is about 1033.0025845952.

Adding to 1102311211 its reverse (1121132011), we get a palindrome (2223443222).

The spelling of 1102311211 in words is "one billion, one hundred two million, three hundred eleven thousand, two hundred eleven".