1211022179 has 2 divisors, whose sum is σ = 1211022180. Its totient is φ = 1211022178.

The previous prime is 1211022167. The next prime is 1211022181. The reversal of 1211022179 is 9712201121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1211022179 - 2²⁴ = 1194244963 is a prime.

Together with 1211022181, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1211042179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605511089 + 605511090.

It is an arithmetic number, because the mean of its divisors is an integer number (605511090).

Almost surely, 2^1211022179 is an apocalyptic number.

1211022179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211022179 is an equidigital number, since it uses as much as digits as its factorization.

1211022179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 1211022179 is about 34799.7439502074. The cubic root of 1211022179 is about 1065.9022173871.

The spelling of 1211022179 in words is "one billion, two hundred eleven million, twenty-two thousand, one hundred seventy-nine".