20112022122223 has 4 divisors (see below), whose sum is σ = 21170549602360. Its totient is φ = 19053494642088.

The previous prime is 20112022122217. The next prime is 20112022122233. The reversal of 20112022122223 is 32222122021102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20112022122223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20112022122194 and 20112022122203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112022122233) 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, 529263740040 + ... + 529263740077.

It is an arithmetic number, because the mean of its divisors is an integer number (5292637400590).

Almost surely, 2^{20112022122223} is an apocalyptic number.

20112022122223 is a deficient number, since it is larger than the sum of its proper divisors (1058527480137).

20112022122223 is a wasteful number, since it uses less digits than its factorization.

20112022122223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058527480136.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 20112022122223 its reverse (32222122021102), we get a palindrome (52334144143325).

The spelling of 20112022122223 in words is "twenty trillion, one hundred twelve billion, twenty-two million, one hundred twenty-two thousand, two hundred twenty-three".