1101181097 has 4 divisors (see below), whose sum is σ = 1149058560. Its totient is φ = 1053303636.

The previous prime is 1101181057. The next prime is 1101181121. The reversal of 1101181097 is 7901811011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1101181097 - 2²⁰ = 1100132521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101181057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23938697 + ... + 23938742.

It is an arithmetic number, because the mean of its divisors is an integer number (287264640).

Almost surely, 2^1101181097 is an apocalyptic number.

It is an amenable number.

1101181097 is a deficient number, since it is larger than the sum of its proper divisors (47877463).

1101181097 is an equidigital number, since it uses as much as digits as its factorization.

1101181097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47877462.

The product of its (nonzero) digits is 504, while the sum is 29.

The square root of 1101181097 is about 33184.0488337394. The cubic root of 1101181097 is about 1032.6494448011.

The spelling of 1101181097 in words is "one billion, one hundred one million, one hundred eighty-one thousand, ninety-seven".