220101211199993 has 2 divisors, whose sum is σ = 220101211199994. Its totient is φ = 220101211199992.

The previous prime is 220101211199953. The next prime is 220101211200007. The reversal of 220101211199993 is 399991112101022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208688996229184 + 11412214970809 = 14446072^2 + 3378197^2 .

It is a cyclic number.

It is not a de Polignac number, because 220101211199993 - 2¹⁰ = 220101211198969 is a prime.

It is not a weakly prime, because it can be changed into another prime (220101211199953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110050605599996 + 110050605599997.

It is an arithmetic number, because the mean of its divisors is an integer number (110050605599997).

Almost surely, 2^{220101211199993} is an apocalyptic number.

It is an amenable number.

220101211199993 is a deficient number, since it is larger than the sum of its proper divisors (1).

220101211199993 is an equidigital number, since it uses as much as digits as its factorization.

220101211199993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 50.

The spelling of 220101211199993 in words is "two hundred twenty trillion, one hundred one billion, two hundred eleven million, one hundred ninety-nine thousand, nine hundred ninety-three".