221113102321079 has 2 divisors, whose sum is σ = 221113102321080. Its totient is φ = 221113102321078.

The previous prime is 221113102321049. The next prime is 221113102321141. The reversal of 221113102321079 is 970123201311122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221113102321079 - 2¹² = 221113102316983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221113102321049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110556551160539 + 110556551160540.

It is an arithmetic number, because the mean of its divisors is an integer number (110556551160540).

Almost surely, 2^{221113102321079} is an apocalyptic number.

221113102321079 is a deficient number, since it is larger than the sum of its proper divisors (1).

221113102321079 is an equidigital number, since it uses as much as digits as its factorization.

221113102321079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 221113102321079 in words is "two hundred twenty-one trillion, one hundred thirteen billion, one hundred two million, three hundred twenty-one thousand, seventy-nine".