1121111097 has 8 divisors (see below), whose sum is σ = 1520150880. Its totient is φ = 734739360.

The previous prime is 1121111083. The next prime is 1121111111. The reversal of 1121111097 is 7901111211.

It is an interprime number because it is at equal distance from previous prime (1121111083) and next prime (1121111111).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1121111097 - 2¹¹ = 1121109049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121111027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3166804 + ... + 3167157.

It is an arithmetic number, because the mean of its divisors is an integer number (190018860).

Almost surely, 2^1121111097 is an apocalyptic number.

It is an amenable number.

1121111097 is a deficient number, since it is larger than the sum of its proper divisors (399039783).

1121111097 is an equidigital number, since it uses as much as digits as its factorization.

1121111097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6334023.

The product of its (nonzero) digits is 126, while the sum is 24.

The square root of 1121111097 is about 33482.9971328733. The cubic root of 1121111097 is about 1038.8421214319.

The spelling of 1121111097 in words is "one billion, one hundred twenty-one million, one hundred eleven thousand, ninety-seven".