220022110001 has 4 divisors (see below), whose sum is σ = 220150854900. Its totient is φ = 219893365104.

The previous prime is 220022109997. The next prime is 220022110013. The reversal of 220022110001 is 100011220022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 102288030625 + 117734079376 = 319825^2 + 343124^2 .

It is a cyclic number.

It is not a de Polignac number, because 220022110001 - 2² = 220022109997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220022110201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64369886 + ... + 64373303.

It is an arithmetic number, because the mean of its divisors is an integer number (55037713725).

Almost surely, 2^220022110001 is an apocalyptic number.

It is an amenable number.

220022110001 is a deficient number, since it is larger than the sum of its proper divisors (128744899).

220022110001 is a wasteful number, since it uses less digits than its factorization.

220022110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128744898.

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

Adding to 220022110001 its reverse (100011220022), we get a palindrome (320033330023).

The spelling of 220022110001 in words is "two hundred twenty billion, twenty-two million, one hundred ten thousand, one".