110990111 has 8 divisors (see below), whose sum is σ = 117448704. Its totient is φ = 104667640.

The previous prime is 110990101. The next prime is 110990119. The reversal of 110990111 is 111099011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 110990111 - 2²⁶ = 43881247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110990119) 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, 32351 + ... + 35616.

It is an arithmetic number, because the mean of its divisors is an integer number (14681088).

Almost surely, 2^110990111 is an apocalyptic number.

110990111 is a deficient number, since it is larger than the sum of its proper divisors (6458593).

110990111 is an equidigital number, since it uses as much as digits as its factorization.

110990111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68061.

The product of its (nonzero) digits is 81, while the sum is 23.

The square root of 110990111 is about 10535.1844312285. The cubic root of 110990111 is about 480.5752810245.

Subtracting 110990111 from its reverse (111099011), we obtain a square (108900 = 330²).

The spelling of 110990111 in words is "one hundred ten million, nine hundred ninety thousand, one hundred eleven".