221411761027159 has 2 divisors, whose sum is σ = 221411761027160. Its totient is φ = 221411761027158.

The previous prime is 221411761027157. The next prime is 221411761027199. The reversal of 221411761027159 is 951720167114122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221411761027159 - 2¹ = 221411761027157 is a prime.

It is a super-2 number, since 2×221411761027159² (a number of 29 digits) contains 22 as substring.

Together with 221411761027157, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221411761027151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110705880513579 + 110705880513580.

It is an arithmetic number, because the mean of its divisors is an integer number (110705880513580).

Almost surely, 2^{221411761027159} is an apocalyptic number.

221411761027159 is a deficient number, since it is larger than the sum of its proper divisors (1).

221411761027159 is an equidigital number, since it uses as much as digits as its factorization.

221411761027159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 49.

The spelling of 221411761027159 in words is "two hundred twenty-one trillion, four hundred eleven billion, seven hundred sixty-one million, twenty-seven thousand, one hundred fifty-nine".