20113021221179 has 2 divisors, whose sum is σ = 20113021221180. Its totient is φ = 20113021221178.

The previous prime is 20113021221127. The next prime is 20113021221191. The reversal of 20113021221179 is 97112212031102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20113021221179 - 2⁸ = 20113021220923 is a prime.

It is not a weakly prime, because it can be changed into another prime (20113021223179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056510610589 + 10056510610590.

It is an arithmetic number, because the mean of its divisors is an integer number (10056510610590).

Almost surely, 2^{20113021221179} is an apocalyptic number.

20113021221179 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113021221179 is an equidigital number, since it uses as much as digits as its factorization.

20113021221179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 32.

The spelling of 20113021221179 in words is "twenty trillion, one hundred thirteen billion, twenty-one million, two hundred twenty-one thousand, one hundred seventy-nine".