22112021023 has 8 divisors (see below), whose sum is σ = 23423096592. Its totient is φ = 20802097536.

The previous prime is 22112021017. The next prime is 22112021053. The reversal of 22112021023 is 32012021122.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22112021023 - 2²⁵ = 22078466591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22112020988 and 22112021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112021053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248340 + ... + 325417.

It is an arithmetic number, because the mean of its divisors is an integer number (2927887074).

Almost surely, 2^22112021023 is an apocalyptic number.

22112021023 is a deficient number, since it is larger than the sum of its proper divisors (1311075569).

22112021023 is a wasteful number, since it uses less digits than its factorization.

22112021023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576041.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22112021023 its reverse (32012021122), we get a palindrome (54124042145).

Subtracting 22112021023 from its reverse (32012021122), we obtain a palindrome (9900000099).

The spelling of 22112021023 in words is "twenty-two billion, one hundred twelve million, twenty-one thousand, twenty-three".