220122100001 has 16 divisors (see below), whose sum is σ = 231974496000. Its totient is φ = 208460778240.

The previous prime is 220122099997. The next prime is 220122100043. The reversal of 220122100001 is 100001221022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 220122100001 - 2² = 220122099997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220122100061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15441125 + ... + 15455373.

It is an arithmetic number, because the mean of its divisors is an integer number (14498406000).

Almost surely, 2^220122100001 is an apocalyptic number.

It is an amenable number.

220122100001 is a deficient number, since it is larger than the sum of its proper divisors (11852395999).

220122100001 is a wasteful number, since it uses less digits than its factorization.

220122100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20896.

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

Adding to 220122100001 its reverse (100001221022), we get a palindrome (320123321023).

The spelling of 220122100001 in words is "two hundred twenty billion, one hundred twenty-two million, one hundred thousand, one".