2221011099959 has 2 divisors, whose sum is σ = 2221011099960. Its totient is φ = 2221011099958.

The previous prime is 2221011099911. The next prime is 2221011100043. The reversal of 2221011099959 is 9599901101222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221011099959 - 2¹⁶ = 2221011034423 is a prime.

It is a super-3 number, since 3×2221011099959³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221011099859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110505549979 + 1110505549980.

It is an arithmetic number, because the mean of its divisors is an integer number (1110505549980).

Almost surely, 2^{2221011099959} is an apocalyptic number.

2221011099959 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221011099959 is an equidigital number, since it uses as much as digits as its factorization.

2221011099959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 50.

The spelling of 2221011099959 in words is "two trillion, two hundred twenty-one billion, eleven million, ninety-nine thousand, nine hundred fifty-nine".