12210000111 has 36 divisors (see below), whose sum is σ = 18175254552. Its totient is φ = 7898589504.

The previous prime is 12210000097. The next prime is 12210000119. The reversal of 12210000111 is 11100001221.

It is a happy number.

It is not a de Polignac number, because 12210000111 - 2⁷ = 12209999983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12210000093 and 12210000102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210000119) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5457085 + ... + 5459321.

It is an arithmetic number, because the mean of its divisors is an integer number (504868182).

Almost surely, 2^12210000111 is an apocalyptic number.

12210000111 is a deficient number, since it is larger than the sum of its proper divisors (5965254441).

12210000111 is a wasteful number, since it uses less digits than its factorization.

12210000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760 (or 2720 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12210000111 its reverse (11100001221), we get a palindrome (23310001332).

The spelling of 12210000111 in words is "twelve billion, two hundred ten million, one hundred eleven", and thus it is an aban number.