22120222112021 has 8 divisors (see below), whose sum is σ = 24692340962784. Its totient is φ = 19641634855920.

The previous prime is 22120222111993. The next prime is 22120222112033. The reversal of 22120222112021 is 12021122202122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22120222112021 - 2²² = 22120217917717 is a prime.

It is a super-3 number, since 3×22120222112021³ (a number of 41 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22120222111984 and 22120222112002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120222112041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23382898166 + ... + 23382899111.

It is an arithmetic number, because the mean of its divisors is an integer number (3086542620348).

Almost surely, 2^{22120222112021} is an apocalyptic number.

It is an amenable number.

22120222112021 is a deficient number, since it is larger than the sum of its proper divisors (2572118850763).

22120222112021 is a wasteful number, since it uses less digits than its factorization.

22120222112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46765797331.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22120222112021 its reverse (12021122202122), we get a palindrome (34141344314143).

The spelling of 22120222112021 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty-two million, one hundred twelve thousand, twenty-one".