110693981 has 4 divisors (see below), whose sum is σ = 116520000. Its totient is φ = 104867964.

The previous prime is 110693959. The next prime is 110693993. The reversal of 110693981 is 189396011.

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 110693981 - 2²² = 106499677 is a prime.

It is a super-2 number, since 2×110693981² = 24506314859256722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110693081) 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, 2912981 + ... + 2913018.

It is an arithmetic number, because the mean of its divisors is an integer number (29130000).

Almost surely, 2^110693981 is an apocalyptic number.

It is an amenable number.

110693981 is a deficient number, since it is larger than the sum of its proper divisors (5826019).

110693981 is an equidigital number, since it uses as much as digits as its factorization.

110693981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5826018.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 110693981 is about 10521.1207102666. The cubic root of 110693981 is about 480.1474966279.

The spelling of 110693981 in words is "one hundred ten million, six hundred ninety-three thousand, nine hundred eighty-one".