12220112011 has 8 divisors (see below), whose sum is σ = 12304523504. Its totient is φ = 12135886560.

The previous prime is 12220111997. The next prime is 12220112027. The reversal of 12220112011 is 11021102221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12220112011 - 2¹¹ = 12220109963 is a prime.

It is a super-2 number, since 2×12220112011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12220111982 and 12220112000.

It is not an unprimeable number, because it can be changed into a prime (12220110011) 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, 86620 + ... + 178726.

It is an arithmetic number, because the mean of its divisors is an integer number (1538065438).

Almost surely, 2^12220112011 is an apocalyptic number.

12220112011 is a deficient number, since it is larger than the sum of its proper divisors (84411493).

12220112011 is an equidigital number, since it uses as much as digits as its factorization.

12220112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93021.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12220112011 its reverse (11021102221), we get a palindrome (23241214232).

The spelling of 12220112011 in words is "twelve billion, two hundred twenty million, one hundred twelve thousand, eleven".