11990110 has 16 divisors (see below), whose sum is σ = 23544432. Its totient is φ = 4360000.

The previous prime is 11990101. The next prime is 11990113. The reversal of 11990110 is 1109911.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11990113) 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, 54391 + ... + 54610.

It is an arithmetic number, because the mean of its divisors is an integer number (1471527).

Almost surely, 2^11990110 is an apocalyptic number.

11990110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11990110 is a deficient number, since it is larger than the sum of its proper divisors (11554322).

11990110 is a wasteful number, since it uses less digits than its factorization.

11990110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109019.

The product of its (nonzero) digits is 81, while the sum is 22.

The square root of 11990110 is about 3462.6738223517. The cubic root of 11990110 is about 228.8799355358.

It can be divided in two parts, 119901 and 10, that added together give a palindrome (119911).

The spelling of 11990110 in words is "eleven million, nine hundred ninety thousand, one hundred ten".