2222221109993 has 2 divisors, whose sum is σ = 2222221109994. Its totient is φ = 2222221109992.

The previous prime is 2222221109987. The next prime is 2222221110007. The reversal of 2222221109993 is 3999011222222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2028610549849 + 193610560144 = 1424293^2 + 440012^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222221109993 - 2⁶ = 2222221109929 is a prime.

It is not a weakly prime, because it can be changed into another prime (2222221109293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111110554996 + 1111110554997.

It is an arithmetic number, because the mean of its divisors is an integer number (1111110554997).

Almost surely, 2^{2222221109993} is an apocalyptic number.

It is an amenable number.

2222221109993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222221109993 is an equidigital number, since it uses as much as digits as its factorization.

2222221109993 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 2222221109993 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred nine thousand, nine hundred ninety-three".