22021020112001 has 16 divisors (see below), whose sum is σ = 22437975770496. Its totient is φ = 21608081354496.

The previous prime is 22021020111967. The next prime is 22021020112027. The reversal of 22021020112001 is 10021102012022.

It is a cyclic number.

It is not a de Polignac number, because 22021020112001 - 2²² = 22021015917697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021020112501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40852826 + ... + 41388348.

It is an arithmetic number, because the mean of its divisors is an integer number (1402373485656).

Almost surely, 2^{22021020112001} is an apocalyptic number.

It is an amenable number.

22021020112001 is a deficient number, since it is larger than the sum of its proper divisors (416955658495).

22021020112001 is a wasteful number, since it uses less digits than its factorization.

22021020112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539272.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22021020112001 its reverse (10021102012022), we get a palindrome (32042122124023).

The spelling of 22021020112001 in words is "twenty-two trillion, twenty-one billion, twenty million, one hundred twelve thousand, one".