22112201021 has 8 divisors (see below), whose sum is σ = 22426320384. Its totient is φ = 21798156240.

The previous prime is 22112201003. The next prime is 22112201047. The reversal of 22112201021 is 12010221122.

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

It is a cyclic number.

It is not a de Polignac number, because 22112201021 - 2¹⁴ = 22112184637 is a prime.

It is a super-2 number, since 2×22112201021² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22112200987 and 22112201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112201051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 889655 + ... + 914171.

It is an arithmetic number, because the mean of its divisors is an integer number (2803290048).

Almost surely, 2^22112201021 is an apocalyptic number.

It is an amenable number.

22112201021 is a deficient number, since it is larger than the sum of its proper divisors (314119363).

22112201021 is a wasteful number, since it uses less digits than its factorization.

22112201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37291.

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

Adding to 22112201021 its reverse (12010221122), we get a palindrome (34122422143).

The spelling of 22112201021 in words is "twenty-two billion, one hundred twelve million, two hundred one thousand, twenty-one".