22201112000020 has 12 divisors (see below), whose sum is σ = 46622335200084. Its totient is φ = 8880444800000.

The previous prime is 22201112000009. The next prime is 22201112000021. The reversal of 22201112000020 is 2000021110222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12418942498704 + 9782169501316 = 3524052^2 + 3127646^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201112000021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555027799981 + ... + 555027800020.

It is an arithmetic number, because the mean of its divisors is an integer number (3885194600007).

Almost surely, 2^{22201112000020} is an apocalyptic number.

22201112000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201112000020 is an abundant number, since it is smaller than the sum of its proper divisors (24421223200064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22201112000020 is a wasteful number, since it uses less digits than its factorization.

22201112000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110055600010 (or 1110055600008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22201112000020 its reverse (2000021110222), we get a palindrome (24201133110242).

The spelling of 22201112000020 in words is "twenty-two trillion, two hundred one billion, one hundred twelve million, twenty", and thus it is an aban number.