22221021120201 has 96 divisors (see below), whose sum is σ = 34683488236800. Its totient is φ = 13667877273600.

The previous prime is 22221021120083. The next prime is 22221021120209. The reversal of 22221021120201 is 10202112012222.

It is a happy number.

22221021120201 is a `hidden beast` number, since 2 + 22 + 210 + 211 + 20 + 201 = 666.

It is not a de Polignac number, because 22221021120201 - 2¹⁷ = 22221020989129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22221021120209) 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 95 ways as a sum of consecutive naturals, for example, 296626516 + ... + 296701418.

It is an arithmetic number, because the mean of its divisors is an integer number (361286335800).

Almost surely, 2^{22221021120201} is an apocalyptic number.

It is an amenable number.

22221021120201 is a deficient number, since it is larger than the sum of its proper divisors (12462467116599).

22221021120201 is a wasteful number, since it uses less digits than its factorization.

22221021120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75311 (or 75308 counting only the distinct ones).

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

Adding to 22221021120201 its reverse (10202112012222), we get a palindrome (32423133132423).

The spelling of 22221021120201 in words is "twenty-two trillion, two hundred twenty-one billion, twenty-one million, one hundred twenty thousand, two hundred one".