22011332123 has 4 divisors (see below), whose sum is σ = 24012362328. Its totient is φ = 20010301920.

The previous prime is 22011332117. The next prime is 22011332179. The reversal of 22011332123 is 32123311022.

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

It is a cyclic number.

It is not a de Polignac number, because 22011332123 - 2¹⁰ = 22011331099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22011332095 and 22011332104.

It is not an unprimeable number, because it can be changed into a prime (22011332023) 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, 1000515086 + ... + 1000515107.

It is an arithmetic number, because the mean of its divisors is an integer number (6003090582).

Almost surely, 2^22011332123 is an apocalyptic number.

22011332123 is a deficient number, since it is larger than the sum of its proper divisors (2001030205).

22011332123 is a wasteful number, since it uses less digits than its factorization.

22011332123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001030204.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22011332123 its reverse (32123311022), we get a palindrome (54134643145).

The spelling of 22011332123 in words is "twenty-two billion, eleven million, three hundred thirty-two thousand, one hundred twenty-three".