22191120001 has 8 divisors (see below), whose sum is σ = 22637573504. Its totient is φ = 21749109120.

The previous prime is 22191119933. The next prime is 22191120019. The reversal of 22191120001 is 10002119122.

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 22191120001 - 2²³ = 22182731393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22191120041) 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, 1100565 + ... + 1120546.

It is an arithmetic number, because the mean of its divisors is an integer number (2829696688).

Almost surely, 2^22191120001 is an apocalyptic number.

It is an amenable number.

22191120001 is a deficient number, since it is larger than the sum of its proper divisors (446453503).

22191120001 is a wasteful number, since it uses less digits than its factorization.

22191120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221311.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 22191120001 its reverse (10002119122), we get a palindrome (32193239123).

The spelling of 22191120001 in words is "twenty-two billion, one hundred ninety-one million, one hundred twenty thousand, one".