12221111201 has 32 divisors (see below), whose sum is σ = 14034384000. Its totient is φ = 10548748800.

The previous prime is 12221111197. The next prime is 12221111207. The reversal of 12221111201 is 10211112221.

It is a cyclic number.

It is not a de Polignac number, because 12221111201 - 2² = 12221111197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12221111207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11649725 + ... + 11650773.

It is an arithmetic number, because the mean of its divisors is an integer number (438574500).

Almost surely, 2^12221111201 is an apocalyptic number.

It is an amenable number.

12221111201 is a deficient number, since it is larger than the sum of its proper divisors (1813272799).

12221111201 is a wasteful number, since it uses less digits than its factorization.

12221111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12221111201 its reverse (10211112221), we get a palindrome (22432223422).

The spelling of 12221111201 in words is "twelve billion, two hundred twenty-one million, one hundred eleven thousand, two hundred one".