11022222001 has 8 divisors (see below), whose sum is σ = 12649096064. Its totient is φ = 9408415680.

The previous prime is 11022221971. The next prime is 11022222037. The reversal of 11022222001 is 10022222011.

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 11022222001 - 2²⁷ = 10888004273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11022222091) 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, 3265125 + ... + 3268498.

It is an arithmetic number, because the mean of its divisors is an integer number (1581137008).

Almost surely, 2^11022222001 is an apocalyptic number.

It is an amenable number.

11022222001 is a deficient number, since it is larger than the sum of its proper divisors (1626874063).

11022222001 is an equidigital number, since it uses as much as digits as its factorization.

11022222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6533871.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11022222001 its reverse (10022222011), we get a palindrome (21044444012).

The spelling of 11022222001 in words is "eleven billion, twenty-two million, two hundred twenty-two thousand, one".