12311102 has 4 divisors (see below), whose sum is σ = 18466656. Its totient is φ = 6155550.

The previous prime is 12311093. The next prime is 12311113. The reversal of 12311102 is 20111321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20111321 = 733 ⋅27437.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3077774 + ... + 3077777.

It is an arithmetic number, because the mean of its divisors is an integer number (4616664).

Almost surely, 2^12311102 is an apocalyptic number.

12311102 is a deficient number, since it is larger than the sum of its proper divisors (6155554).

12311102 is an equidigital number, since it uses as much as digits as its factorization.

12311102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6155553.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 12311102 is about 3508.7179994978. The cubic root of 12311102 is about 230.9044537797.

Adding to 12311102 its reverse (20111321), we get a palindrome (32422423).

The spelling of 12311102 in words is "twelve million, three hundred eleven thousand, one hundred two".