20001122112022 has 8 divisors (see below), whose sum is σ = 30007564713072. Its totient is φ = 9998600541000.

The previous prime is 20001122111963. The next prime is 20001122112029. The reversal of 20001122112022 is 22021122110002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20001122111987 and 20001122112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001122112029) 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, 980244754 + ... + 980265157.

It is an arithmetic number, because the mean of its divisors is an integer number (3750945589134).

Almost surely, 2^{20001122112022} is an apocalyptic number.

20001122112022 is a deficient number, since it is larger than the sum of its proper divisors (10006442601050).

20001122112022 is a wasteful number, since it uses less digits than its factorization.

20001122112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960515014.

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

Adding to 20001122112022 its reverse (22021122110002), we get a palindrome (42022244222024).

The spelling of 20001122112022 in words is "twenty trillion, one billion, one hundred twenty-two million, one hundred twelve thousand, twenty-two".