22122221001201 has 224 divisors, whose sum is σ = 34823210421888. Its totient is φ = 14039126323200.

The previous prime is 22122221001157. The next prime is 22122221001229. The reversal of 22122221001201 is 10210012222122.

It is a happy number.

22122221001201 is a `hidden beast` number, since 221 + 2 + 222 + 100 + 120 + 1 = 666.

It is not a de Polignac number, because 22122221001201 - 2¹³ = 22122220993009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22122221001241) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 39716734015 + ... + 39716734571.

It is an arithmetic number, because the mean of its divisors is an integer number (155460760812).

Almost surely, 2^{22122221001201} is an apocalyptic number.

It is an amenable number.

22122221001201 is a deficient number, since it is larger than the sum of its proper divisors (12700989420687).

22122221001201 is an equidigital number, since it uses as much as digits as its factorization.

22122221001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22122221001201 its reverse (10210012222122), we get a palindrome (32332233223323).

The spelling of 22122221001201 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred twenty-one million, one thousand, two hundred one".