12221112021201 has 16 divisors (see below), whose sum is σ = 18105438832320. Its totient is φ = 8147368553760.

The previous prime is 12221112021169. The next prime is 12221112021203. The reversal of 12221112021201 is 10212021112221.

12221112021201 is a `hidden beast` number, since 122 + 211 + 120 + 212 + 0 + 1 = 666.

It is not a de Polignac number, because 12221112021201 - 2⁵ = 12221112021169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12221112021203) 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, 5249806 + ... + 7211288.

It is an arithmetic number, because the mean of its divisors is an integer number (1131589927020).

Almost surely, 2^{12221112021201} is an apocalyptic number.

It is an amenable number.

12221112021201 is a deficient number, since it is larger than the sum of its proper divisors (5884326811119).

12221112021201 is a wasteful number, since it uses less digits than its factorization.

12221112021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192253 (or 2192247 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12221112021201 its reverse (10212021112221), we get a palindrome (22433133133422).

The spelling of 12221112021201 in words is "twelve trillion, two hundred twenty-one billion, one hundred twelve million, twenty-one thousand, two hundred one".