11100100097 has 2 divisors, whose sum is σ = 11100100098. Its totient is φ = 11100100096.

The previous prime is 11100100093. The next prime is 11100100177. The reversal of 11100100097 is 79000100111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8051293441 + 3048806656 = 89729^2 + 55216^2 .

It is a cyclic number.

It is not a de Polignac number, because 11100100097 - 2² = 11100100093 is a prime.

It is not a weakly prime, because it can be changed into another prime (11100100091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550050048 + 5550050049.

It is an arithmetic number, because the mean of its divisors is an integer number (5550050049).

Almost surely, 2^11100100097 is an apocalyptic number.

It is an amenable number.

11100100097 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100100097 is an equidigital number, since it uses as much as digits as its factorization.

11100100097 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 20.

The spelling of 11100100097 in words is "eleven billion, one hundred million, one hundred thousand, ninety-seven".