1170211211 has 4 divisors (see below), whose sum is σ = 1260227472. Its totient is φ = 1080194952.

The previous prime is 1170211199. The next prime is 1170211223. The reversal of 1170211211 is 1121120711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1121120711 = 863 ⋅1299097.

It is an interprime number because it is at equal distance from previous prime (1170211199) and next prime (1170211223).

It is a cyclic number.

It is not a de Polignac number, because 1170211211 - 2²⁶ = 1103102347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1170211211.

It is not an unprimeable number, because it can be changed into a prime (1170211261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45008111 + ... + 45008136.

It is an arithmetic number, because the mean of its divisors is an integer number (315056868).

Almost surely, 2^1170211211 is an apocalyptic number.

1170211211 is a deficient number, since it is larger than the sum of its proper divisors (90016261).

1170211211 is an equidigital number, since it uses as much as digits as its factorization.

1170211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90016260.

The product of its (nonzero) digits is 28, while the sum is 17.

The square root of 1170211211 is about 34208.3500186723. The cubic root of 1170211211 is about 1053.7916463359.

Adding to 1170211211 its reverse (1121120711), we get a palindrome (2291331922).

The spelling of 1170211211 in words is "one billion, one hundred seventy million, two hundred eleven thousand, two hundred eleven".