110212019993 has 2 divisors, whose sum is σ = 110212019994. Its totient is φ = 110212019992.

The previous prime is 110212019971. The next prime is 110212020013. The reversal of 110212019993 is 399910212011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89542782169 + 20669237824 = 299237^2 + 143768^2 .

It is an emirp because it is prime and its reverse (399910212011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110212019993 - 2²⁸ = 109943584537 is a prime.

It is not a weakly prime, because it can be changed into another prime (110212019903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55106009996 + 55106009997.

It is an arithmetic number, because the mean of its divisors is an integer number (55106009997).

Almost surely, 2^110212019993 is an apocalyptic number.

It is an amenable number.

110212019993 is a deficient number, since it is larger than the sum of its proper divisors (1).

110212019993 is an equidigital number, since it uses as much as digits as its factorization.

110212019993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 38.

The spelling of 110212019993 in words is "one hundred ten billion, two hundred twelve million, nineteen thousand, nine hundred ninety-three".