221130233179 has 2 divisors, whose sum is σ = 221130233180. Its totient is φ = 221130233178.

The previous prime is 221130233171. The next prime is 221130233189. The reversal of 221130233179 is 971332031122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221130233179 - 2³ = 221130233171 is a prime.

It is not a weakly prime, because it can be changed into another prime (221130233171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110565116589 + 110565116590.

It is an arithmetic number, because the mean of its divisors is an integer number (110565116590).

Almost surely, 2^221130233179 is an apocalyptic number.

221130233179 is a deficient number, since it is larger than the sum of its proper divisors (1).

221130233179 is an equidigital number, since it uses as much as digits as its factorization.

221130233179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 221130233179 in words is "two hundred twenty-one billion, one hundred thirty million, two hundred thirty-three thousand, one hundred seventy-nine".