12112220110 has 32 divisors (see below), whose sum is σ = 22080794112. Its totient is φ = 4783220640.

The previous prime is 12112220101. The next prime is 12112220119. The reversal of 12112220110 is 1102221121.

It is an interprime number because it is at equal distance from previous prime (12112220101) and next prime (12112220119).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112220119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323167 + ... + 358693.

It is an arithmetic number, because the mean of its divisors is an integer number (690024816).

Almost surely, 2^12112220110 is an apocalyptic number.

12112220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112220110 is a deficient number, since it is larger than the sum of its proper divisors (9968574002).

12112220110 is a wasteful number, since it uses less digits than its factorization.

12112220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35968.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12112220110 its reverse (1102221121), we get a palindrome (13214441231).

The spelling of 12112220110 in words is "twelve billion, one hundred twelve million, two hundred twenty thousand, one hundred ten".