221121111059 has 2 divisors, whose sum is σ = 221121111060. Its totient is φ = 221121111058.

The previous prime is 221121111037. The next prime is 221121111109. The reversal of 221121111059 is 950111121122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221121111059 is a prime.

It is a super-2 number, since 2×221121111059² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (221121111259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110560555529 + 110560555530.

It is an arithmetic number, because the mean of its divisors is an integer number (110560555530).

Almost surely, 2^221121111059 is an apocalyptic number.

221121111059 is a deficient number, since it is larger than the sum of its proper divisors (1).

221121111059 is an equidigital number, since it uses as much as digits as its factorization.

221121111059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 26.

The spelling of 221121111059 in words is "two hundred twenty-one billion, one hundred twenty-one million, one hundred eleven thousand, fifty-nine".