12221222202201 has 8 divisors (see below), whose sum is σ = 16295682864384. Its totient is φ = 8147121504080.

The previous prime is 12221222202017. The next prime is 12221222202251. The reversal of 12221222202201 is 10220222212221.

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 12221222202201 - 2¹⁴ = 12221222185817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12221222202251) 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, 89911785 + ... + 90047606.

It is an arithmetic number, because the mean of its divisors is an integer number (2036960358048).

Almost surely, 2^{12221222202201} is an apocalyptic number.

It is an amenable number.

12221222202201 is a deficient number, since it is larger than the sum of its proper divisors (4074460662183).

12221222202201 is a wasteful number, since it uses less digits than its factorization.

12221222202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179982031.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12221222202201 its reverse (10220222212221), we get a palindrome (22441444414422).

The spelling of 12221222202201 in words is "twelve trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred two thousand, two hundred one".