22011330123 has 8 divisors (see below), whose sum is σ = 32609378000. Its totient is φ = 14674220064.

The previous prime is 22011330079. The next prime is 22011330137. The reversal of 22011330123 is 32103311022.

It is not a de Polignac number, because 22011330123 - 2⁶ = 22011330059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22011330096 and 22011330105.

It is not an unprimeable number, because it can be changed into a prime (22011330323) 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, 407617198 + ... + 407617251.

It is an arithmetic number, because the mean of its divisors is an integer number (4076172250).

Almost surely, 2^22011330123 is an apocalyptic number.

22011330123 is a deficient number, since it is larger than the sum of its proper divisors (10598047877).

22011330123 is an equidigital number, since it uses as much as digits as its factorization.

22011330123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815234458 (or 815234452 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 22011330123 its reverse (32103311022), we get a palindrome (54114641145).

The spelling of 22011330123 in words is "twenty-two billion, eleven million, three hundred thirty thousand, one hundred twenty-three".