111332197 has 4 divisors (see below), whose sum is σ = 111353580. Its totient is φ = 111310816.

The previous prime is 111332183. The next prime is 111332231. The reversal of 111332197 is 791233111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 791233111 = 79 ⋅10015609.

It can be written as a sum of positive squares in 2 ways, for example, as 45819361 + 65512836 = 6769^2 + 8094^2 .

It is a cyclic number.

It is not a de Polignac number, because 111332197 - 2⁷ = 111332069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111332107) 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, 2763 + ... + 15175.

It is an arithmetic number, because the mean of its divisors is an integer number (27838395).

Almost surely, 2^111332197 is an apocalyptic number.

It is an amenable number.

111332197 is a deficient number, since it is larger than the sum of its proper divisors (21383).

111332197 is an equidigital number, since it uses as much as digits as its factorization.

111332197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21382.

The product of its digits is 1134, while the sum is 28.

The square root of 111332197 is about 10551.4073468898. The cubic root of 111332197 is about 481.0685065438.

The spelling of 111332197 in words is "one hundred eleven million, three hundred thirty-two thousand, one hundred ninety-seven".