2220110111993 has 2 divisors, whose sum is σ = 2220110111994. Its totient is φ = 2220110111992.

The previous prime is 2220110111981. The next prime is 2220110112083. The reversal of 2220110111993 is 3991110110222.

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., 1363868951104 + 856241160889 = 1167848^2 + 925333^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220110111993 - 2⁴ = 2220110111977 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220110113993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110055055996 + 1110055055997.

It is an arithmetic number, because the mean of its divisors is an integer number (1110055055997).

Almost surely, 2^{2220110111993} is an apocalyptic number.

It is an amenable number.

2220110111993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220110111993 is an equidigital number, since it uses as much as digits as its factorization.

2220110111993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 32.

The spelling of 2220110111993 in words is "two trillion, two hundred twenty billion, one hundred ten million, one hundred eleven thousand, nine hundred ninety-three".