22120220222001 has 24 divisors (see below), whose sum is σ = 34975067452416. Its totient is φ = 13360439127840.

The previous prime is 22120220221817. The next prime is 22120220222017. The reversal of 22120220222001 is 10022202202122.

22120220222001 is a `hidden beast` number, since 221 + 2 + 0 + 220 + 2 + 220 + 0 + 1 = 666.

It is not a de Polignac number, because 22120220222001 - 2¹¹ = 22120220219953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22120220222071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 381262065 + ... + 381320078.

It is an arithmetic number, because the mean of its divisors is an integer number (1457294477184).

Almost surely, 2^{22120220222001} is an apocalyptic number.

It is an amenable number.

22120220222001 is a deficient number, since it is larger than the sum of its proper divisors (12854847230415).

22120220222001 is a wasteful number, since it uses less digits than its factorization.

22120220222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762582453 (or 762582450 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22120220222001 its reverse (10022202202122), we get a palindrome (32142422424123).

The spelling of 22120220222001 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty million, two hundred twenty-two thousand, one".