20022221102001 has 16 divisors (see below), whose sum is σ = 26756609976000. Its totient is φ = 13317991723008.

The previous prime is 20022221101997. The next prime is 20022221102029. The reversal of 20022221102001 is 10020112222002.

It is not a de Polignac number, because 20022221102001 - 2² = 20022221101997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20022221102041) 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, 44966265 + ... + 45409353.

It is an arithmetic number, because the mean of its divisors is an integer number (1672288123500).

Almost surely, 2^{20022221102001} is an apocalyptic number.

It is an amenable number.

20022221102001 is a deficient number, since it is larger than the sum of its proper divisors (6734388873999).

20022221102001 is a wasteful number, since it uses less digits than its factorization.

20022221102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477088.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20022221102001 its reverse (10020112222002), we get a palindrome (30042333324003).

The spelling of 20022221102001 in words is "twenty trillion, twenty-two billion, two hundred twenty-one million, one hundred two thousand, one".