12211102 has 16 divisors (see below), whose sum is σ = 18820224. Its totient is φ = 5940000.

The previous prime is 12211079. The next prime is 12211103. The reversal of 12211102 is 20111221.

It is a super-2 number, since 2×12211102² = 298222024108808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211103) 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, 11827 + ... + 12817.

It is an arithmetic number, because the mean of its divisors is an integer number (1176264).

Almost surely, 2^12211102 is an apocalyptic number.

12211102 is a deficient number, since it is larger than the sum of its proper divisors (6609122).

12211102 is a wasteful number, since it uses less digits than its factorization.

12211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 12211102 is about 3494.4387246023. The cubic root of 12211102 is about 230.2775603101.

Adding to 12211102 its reverse (20111221), we get a palindrome (32322323).

The spelling of 12211102 in words is "twelve million, two hundred eleven thousand, one hundred two".