221100221159 has 2 divisors, whose sum is σ = 221100221160. Its totient is φ = 221100221158.

The previous prime is 221100221077. The next prime is 221100221189. The reversal of 221100221159 is 951122001122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221100221159 is a prime.

It is a super-2 number, since 2×221100221159² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221100221189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110550110579 + 110550110580.

It is an arithmetic number, because the mean of its divisors is an integer number (110550110580).

Almost surely, 2^221100221159 is an apocalyptic number.

221100221159 is a deficient number, since it is larger than the sum of its proper divisors (1).

221100221159 is an equidigital number, since it uses as much as digits as its factorization.

221100221159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 26.

The spelling of 221100221159 in words is "two hundred twenty-one billion, one hundred million, two hundred twenty-one thousand, one hundred fifty-nine".