220021112093 has 2 divisors, whose sum is σ = 220021112094. Its totient is φ = 220021112092.

The previous prime is 220021112081. The next prime is 220021112111. The reversal of 220021112093 is 390211120022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203759251609 + 16261860484 = 451397^2 + 127522^2 .

It is a cyclic number.

It is not a de Polignac number, because 220021112093 - 2⁶ = 220021112029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220021112023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110010556046 + 110010556047.

It is an arithmetic number, because the mean of its divisors is an integer number (110010556047).

Almost surely, 2^220021112093 is an apocalyptic number.

It is an amenable number.

220021112093 is a deficient number, since it is larger than the sum of its proper divisors (1).

220021112093 is an equidigital number, since it uses as much as digits as its factorization.

220021112093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 220021112093 in words is "two hundred twenty billion, twenty-one million, one hundred twelve thousand, ninety-three".