11212104 has 16 divisors (see below), whose sum is σ = 28030320. Its totient is φ = 3737360.

The previous prime is 11212081. The next prime is 11212127. The reversal of 11212104 is 40121211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11212081) and next prime (11212127).

It is a super-2 number, since 2×11212104² = 251422552213632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 11212104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233562 + ... + 233609.

It is an arithmetic number, because the mean of its divisors is an integer number (1751895).

Almost surely, 2^11212104 is an apocalyptic number.

It is an amenable number.

11212104 is an abundant number, since it is smaller than the sum of its proper divisors (16818216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11212104 is a wasteful number, since it uses less digits than its factorization.

11212104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467180 (or 467176 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 11212104 is about 3348.4479987003. The cubic root of 11212104 is about 223.8183582736.

Adding to 11212104 its reverse (40121211), we get a palindrome (51333315).

The spelling of 11212104 in words is "eleven million, two hundred twelve thousand, one hundred four".