10111111011097 has 2 divisors, whose sum is σ = 10111111011098. Its totient is φ = 10111111011096.

The previous prime is 10111111011073. The next prime is 10111111011101. The reversal of 10111111011097 is 79011011111101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8665787700441 + 1445323310656 = 2943771^2 + 1202216^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111111011097 - 2²⁷ = 10110976793369 is a prime.

It is not a weakly prime, because it can be changed into another prime (10111111014097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055555505548 + 5055555505549.

It is an arithmetic number, because the mean of its divisors is an integer number (5055555505549).

Almost surely, 2^{10111111011097} is an apocalyptic number.

It is an amenable number.

10111111011097 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111111011097 is an equidigital number, since it uses as much as digits as its factorization.

10111111011097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63, while the sum is 25.

Adding to 10111111011097 its reverse (79011011111101), we get a palindrome (89122122122198).

The spelling of 10111111011097 in words is "ten trillion, one hundred eleven billion, one hundred eleven million, eleven thousand, ninety-seven".