111211201120993 has 2 divisors, whose sum is σ = 111211201120994. Its totient is φ = 111211201120992.

The previous prime is 111211201120939. The next prime is 111211201121023. The reversal of 111211201120993 is 399021102112111.

It is a happy number.

Together with previous prime (111211201120939) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64279151735184 + 46932049385809 = 8017428^2 + 6850697^2 .

It is a cyclic number.

It is not a de Polignac number, because 111211201120993 - 2²⁵ = 111211167566561 is a prime.

It is not a weakly prime, because it can be changed into another prime (111211201120933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55605600560496 + 55605600560497.

It is an arithmetic number, because the mean of its divisors is an integer number (55605600560497).

Almost surely, 2^{111211201120993} is an apocalyptic number.

It is an amenable number.

111211201120993 is a deficient number, since it is larger than the sum of its proper divisors (1).

111211201120993 is an equidigital number, since it uses as much as digits as its factorization.

111211201120993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 34.

The spelling of 111211201120993 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred one million, one hundred twenty thousand, nine hundred ninety-three".