221221011011059 has 2 divisors, whose sum is σ = 221221011011060. Its totient is φ = 221221011011058.

The previous prime is 221221011010973. The next prime is 221221011011113. The reversal of 221221011011059 is 950110110122122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221221011011059 - 2²⁷ = 221220876793331 is a prime.

It is not a weakly prime, because it can be changed into another prime (221221011071059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110610505505529 + 110610505505530.

It is an arithmetic number, because the mean of its divisors is an integer number (110610505505530).

Almost surely, 2^{221221011011059} is an apocalyptic number.

221221011011059 is a deficient number, since it is larger than the sum of its proper divisors (1).

221221011011059 is an equidigital number, since it uses as much as digits as its factorization.

221221011011059 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 28.

The spelling of 221221011011059 in words is "two hundred twenty-one trillion, two hundred twenty-one billion, eleven million, eleven thousand, fifty-nine".