12113021110 has 32 divisors (see below), whose sum is σ = 21990051072. Its totient is φ = 4803807840.

The previous prime is 12113021083. The next prime is 12113021161. The reversal of 12113021110 is 1112031121.

It is a happy number.

It is a super-2 number, since 2×12113021110² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1677127 + ... + 1684333.

It is an arithmetic number, because the mean of its divisors is an integer number (687189096).

Almost surely, 2^12113021110 is an apocalyptic number.

12113021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12113021110 is a deficient number, since it is larger than the sum of its proper divisors (9877029962).

12113021110 is a wasteful number, since it uses less digits than its factorization.

12113021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8628.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 12113021110 its reverse (1112031121), we get a palindrome (13225052231).

The spelling of 12113021110 in words is "twelve billion, one hundred thirteen million, twenty-one thousand, one hundred ten".