123222110011 has 24 divisors (see below), whose sum is σ = 168399456624. Its totient is φ = 88631282880.

The previous prime is 123222110003. The next prime is 123222110029. The reversal of 123222110011 is 110011222321.

It is not a de Polignac number, because 123222110011 - 2³ = 123222110003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123222110071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8785780 + ... + 8799793.

It is an arithmetic number, because the mean of its divisors is an integer number (7016644026).

Almost surely, 2^123222110011 is an apocalyptic number.

123222110011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123222110011 is a deficient number, since it is larger than the sum of its proper divisors (45177346613).

123222110011 is a wasteful number, since it uses less digits than its factorization.

123222110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17585611 (or 17585604 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 123222110011 its reverse (110011222321), we get a palindrome (233233332332).

The spelling of 123222110011 in words is "one hundred twenty-three billion, two hundred twenty-two million, one hundred ten thousand, eleven".