1110101621393 has 2 divisors, whose sum is σ = 1110101621394. Its totient is φ = 1110101621392.

The previous prime is 1110101621389. The next prime is 1110101621441. The reversal of 1110101621393 is 3931261010111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 968505952129 + 141595669264 = 984127^2 + 376292^2 .

It is an emirp because it is prime and its reverse (3931261010111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1110101621393 - 2² = 1110101621389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1110101621323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555050810696 + 555050810697.

It is an arithmetic number, because the mean of its divisors is an integer number (555050810697).

Almost surely, 2^{1110101621393} is an apocalyptic number.

It is an amenable number.

1110101621393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110101621393 is an equidigital number, since it uses as much as digits as its factorization.

1110101621393 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 1110101621393 in words is "one trillion, one hundred ten billion, one hundred one million, six hundred twenty-one thousand, three hundred ninety-three".