2221132220999 has 2 divisors, whose sum is σ = 2221132221000. Its totient is φ = 2221132220998.

The previous prime is 2221132220981. The next prime is 2221132221023. The reversal of 2221132220999 is 9990222311222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221132220999 - 2⁸ = 2221132220743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221132220399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110566110499 + 1110566110500.

It is an arithmetic number, because the mean of its divisors is an integer number (1110566110500).

Almost surely, 2^{2221132220999} is an apocalyptic number.

2221132220999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221132220999 is an equidigital number, since it uses as much as digits as its factorization.

2221132220999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 2221132220999 in words is "two trillion, two hundred twenty-one billion, one hundred thirty-two million, two hundred twenty thousand, nine hundred ninety-nine".