2210111993 has 2 divisors, whose sum is σ = 2210111994. Its totient is φ = 2210111992.

The previous prime is 2210111987. The next prime is 2210111999. The reversal of 2210111993 is 3991110122.

It is a balanced prime because it is at equal distance from previous prime (2210111987) and next prime (2210111999).

It can be written as a sum of positive squares in only one way, i.e., 2190988864 + 19123129 = 46808^2 + 4373^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210111993 - 2¹⁴ = 2210095609 is a prime.

It is not a weakly prime, because it can be changed into another prime (2210111999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105055996 + 1105055997.

It is an arithmetic number, because the mean of its divisors is an integer number (1105055997).

Almost surely, 2^2210111993 is an apocalyptic number.

It is an amenable number.

2210111993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210111993 is an equidigital number, since it uses as much as digits as its factorization.

2210111993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 2210111993 is about 47011.8282243948. The cubic root of 2210111993 is about 1302.5810639900.

The spelling of 2210111993 in words is "two billion, two hundred ten million, one hundred eleven thousand, nine hundred ninety-three".