12201112011 has 16 divisors (see below), whose sum is σ = 17752406400. Its totient is φ = 7392390720.

The previous prime is 12201111997. The next prime is 12201112019. The reversal of 12201112011 is 11021110221.

It is not a de Polignac number, because 12201112011 - 2¹³ = 12201103819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12201112019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59440 + ... + 167138.

It is an arithmetic number, because the mean of its divisors is an integer number (1109525400).

Almost surely, 2^12201112011 is an apocalyptic number.

12201112011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12201112011 is a deficient number, since it is larger than the sum of its proper divisors (5551294389).

12201112011 is a wasteful number, since it uses less digits than its factorization.

12201112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111146.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12201112011 its reverse (11021110221), we get a palindrome (23222222232).

The spelling of 12201112011 in words is "twelve billion, two hundred one million, one hundred twelve thousand, eleven".