22011002123 has 8 divisors (see below), whose sum is σ = 24066704640. Its totient is φ = 19964416680.

The previous prime is 22011002107. The next prime is 22011002179. The reversal of 22011002123 is 32120011022.

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 22011002123 - 2⁴ = 22011002107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22011002098 and 22011002107.

It is not an unprimeable number, because it can be changed into a prime (22011002183) 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, 2274215 + ... + 2283872.

It is an arithmetic number, because the mean of its divisors is an integer number (3008338080).

Almost surely, 2^22011002123 is an apocalyptic number.

22011002123 is a deficient number, since it is larger than the sum of its proper divisors (2055702517).

22011002123 is a wasteful number, since it uses less digits than its factorization.

22011002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4558537.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22011002123 its reverse (32120011022), we get a palindrome (54131013145).

The spelling of 22011002123 in words is "twenty-two billion, eleven million, two thousand, one hundred twenty-three".