111001101010993 has 2 divisors, whose sum is σ = 111001101010994. Its totient is φ = 111001101010992.

The previous prime is 111001101010991. The next prime is 111001101011027. The reversal of 111001101010993 is 399010101100111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93892553493489 + 17108547517504 = 9689817^2 + 4136248^2 .

It is a cyclic number.

It is not a de Polignac number, because 111001101010993 - 2¹ = 111001101010991 is a prime.

Together with 111001101010991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (111001101010991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500550505496 + 55500550505497.

It is an arithmetic number, because the mean of its divisors is an integer number (55500550505497).

Almost surely, 2^{111001101010993} is an apocalyptic number.

It is an amenable number.

111001101010993 is a deficient number, since it is larger than the sum of its proper divisors (1).

111001101010993 is an equidigital number, since it uses as much as digits as its factorization.

111001101010993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 28.

The spelling of 111001101010993 in words is "one hundred eleven trillion, one billion, one hundred one million, ten thousand, nine hundred ninety-three".