22011022001 has 8 divisors (see below), whose sum is σ = 22082336640. Its totient is φ = 21939763648.

The previous prime is 22011021947. The next prime is 22011022027. The reversal of 22011022001 is 10022011022.

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 22011022001 - 2¹⁴ = 22011005617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011022091) 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, 855020 + ... + 880386.

It is an arithmetic number, because the mean of its divisors is an integer number (2760292080).

Almost surely, 2^22011022001 is an apocalyptic number.

It is an amenable number.

22011022001 is a deficient number, since it is larger than the sum of its proper divisors (71314639).

22011022001 is a wasteful number, since it uses less digits than its factorization.

22011022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28143.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22011022001 its reverse (10022011022), we get a palindrome (32033033023).

The spelling of 22011022001 in words is "twenty-two billion, eleven million, twenty-two thousand, one".