22112221201 has 8 divisors (see below), whose sum is σ = 25438469504. Its totient is φ = 18827812800.

The previous prime is 22112221193. The next prime is 22112221217. The reversal of 22112221201 is 10212221122.

It is a happy number.

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 22112221201 - 2³ = 22112221193 is a prime.

It is a super-3 number, since 3×22112221201³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22112221231) 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, 10458840 + ... + 10460953.

It is an arithmetic number, because the mean of its divisors is an integer number (3179808688).

Almost surely, 2^22112221201 is an apocalyptic number.

It is an amenable number.

22112221201 is a deficient number, since it is larger than the sum of its proper divisors (3326248303).

22112221201 is a wasteful number, since it uses less digits than its factorization.

22112221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20919951.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22112221201 its reverse (10212221122), we get a palindrome (32324442323).

The spelling of 22112221201 in words is "twenty-two billion, one hundred twelve million, two hundred twenty-one thousand, two hundred one".