20221112220001 has 32 divisors (see below), whose sum is σ = 25671199260672. Its totient is φ = 15471480245760.

The previous prime is 20221112219999. The next prime is 20221112220007. The reversal of 20221112220001 is 10002221112202.

It is a happy number.

It is not a de Polignac number, because 20221112220001 - 2¹ = 20221112219999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20221112220007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9710251 + ... + 11607376.

It is an arithmetic number, because the mean of its divisors is an integer number (802224976896).

Almost surely, 2^{20221112220001} is an apocalyptic number.

It is an amenable number.

20221112220001 is a deficient number, since it is larger than the sum of its proper divisors (5450087040671).

20221112220001 is a wasteful number, since it uses less digits than its factorization.

20221112220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21317869.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20221112220001 its reverse (10002221112202), we get a palindrome (30223333332203).

The spelling of 20221112220001 in words is "twenty trillion, two hundred twenty-one billion, one hundred twelve million, two hundred twenty thousand, one".