20222220100001 has 4 divisors (see below), whose sum is σ = 20248933733652. Its totient is φ = 20195506466352.

The previous prime is 20222220099979. The next prime is 20222220100031. The reversal of 20222220100001 is 10000102222202.

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 12215018010001 + 8007202090000 = 3494999^2 + 2829700^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222220100001 - 2²⁶ = 20222152991137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20222220100031) 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, 13356815690 + ... + 13356817203.

It is an arithmetic number, because the mean of its divisors is an integer number (5062233433413).

Almost surely, 2^{20222220100001} is an apocalyptic number.

It is an amenable number.

20222220100001 is a deficient number, since it is larger than the sum of its proper divisors (26713633651).

20222220100001 is an equidigital number, since it uses as much as digits as its factorization.

20222220100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26713633650.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20222220100001 its reverse (10000102222202), we get a palindrome (30222322322203).

The spelling of 20222220100001 in words is "twenty trillion, two hundred twenty-two billion, two hundred twenty million, one hundred thousand, one".