110021012993 has 2 divisors, whose sum is σ = 110021012994. Its totient is φ = 110021012992.

The previous prime is 110021012971. The next prime is 110021013001. The reversal of 110021012993 is 399210120011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58885331569 + 51135681424 = 242663^2 + 226132^2 .

It is a cyclic number.

It is not a de Polignac number, because 110021012993 - 2¹⁶ = 110020947457 is a prime.

It is not a weakly prime, because it can be changed into another prime (110021012963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55010506496 + 55010506497.

It is an arithmetic number, because the mean of its divisors is an integer number (55010506497).

Almost surely, 2^110021012993 is an apocalyptic number.

It is an amenable number.

110021012993 is a deficient number, since it is larger than the sum of its proper divisors (1).

110021012993 is an equidigital number, since it uses as much as digits as its factorization.

110021012993 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 spelling of 110021012993 in words is "one hundred ten billion, twenty-one million, twelve thousand, nine hundred ninety-three".