111101100100997 has 2 divisors, whose sum is σ = 111101100100998. Its totient is φ = 111101100100996.

The previous prime is 111101100100993. The next prime is 111101100101009. The reversal of 111101100100997 is 799001001101111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93505206096481 + 17595894004516 = 9669809^2 + 4194746^2 .

It is a cyclic number.

It is not a de Polignac number, because 111101100100997 - 2² = 111101100100993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111101100100993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550550050498 + 55550550050499.

It is an arithmetic number, because the mean of its divisors is an integer number (55550550050499).

Almost surely, 2^{111101100100997} is an apocalyptic number.

It is an amenable number.

111101100100997 is a deficient number, since it is larger than the sum of its proper divisors (1).

111101100100997 is an equidigital number, since it uses as much as digits as its factorization.

111101100100997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 32.

The spelling of 111101100100997 in words is "one hundred eleven trillion, one hundred one billion, one hundred million, one hundred thousand, nine hundred ninety-seven".