11101897 has 2 divisors, whose sum is σ = 11101898. Its totient is φ = 11101896.

The previous prime is 11101891. The next prime is 11101903. The reversal of 11101897 is 79810111.

11101897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (11101891) and next prime (11101903).

It can be written as a sum of positive squares in only one way, i.e., 8042896 + 3059001 = 2836^2 + 1749^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101897 - 2²³ = 2713289 is a prime.

It is not a weakly prime, because it can be changed into another prime (11101891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550948 + 5550949.

It is an arithmetic number, because the mean of its divisors is an integer number (5550949).

Almost surely, 2^11101897 is an apocalyptic number.

It is an amenable number.

11101897 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101897 is an equidigital number, since it uses as much as digits as its factorization.

11101897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 28.

The square root of 11101897 is about 3331.9509300108. The cubic root of 11101897 is about 223.0826173399.

The spelling of 11101897 in words is "eleven million, one hundred one thousand, eight hundred ninety-seven".