12221132011 has 6 divisors (see below), whose sum is σ = 13433145236. Its totient is φ = 11110119900.

The previous prime is 12221132003. The next prime is 12221132059. The reversal of 12221132011 is 11023112221.

It is not a de Polignac number, because 12221132011 - 2³ = 12221132003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221132111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50500425 + ... + 50500666.

Almost surely, 2^12221132011 is an apocalyptic number.

12221132011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12221132011 is a deficient number, since it is larger than the sum of its proper divisors (1212013225).

12221132011 is a wasteful number, since it uses less digits than its factorization.

12221132011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101001113 (or 101001102 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12221132011 its reverse (11023112221), we get a palindrome (23244244232).

The spelling of 12221132011 in words is "twelve billion, two hundred twenty-one million, one hundred thirty-two thousand, eleven".