1113022091 has 2 divisors, whose sum is σ = 1113022092. Its totient is φ = 1113022090.

The previous prime is 1113022081. The next prime is 1113022159. The reversal of 1113022091 is 1902203111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113022091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113022081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556511045 + 556511046.

It is an arithmetic number, because the mean of its divisors is an integer number (556511046).

Almost surely, 2^1113022091 is an apocalyptic number.

1113022091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113022091 is an equidigital number, since it uses as much as digits as its factorization.

1113022091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1113022091 is about 33361.9857172801. The cubic root of 1113022091 is about 1036.3376144452.

The spelling of 1113022091 in words is "one billion, one hundred thirteen million, twenty-two thousand, ninety-one".