22001411123 has 4 divisors (see below), whose sum is σ = 22004724768. Its totient is φ = 21998097480.

The previous prime is 22001411119. The next prime is 22001411137. The reversal of 22001411123 is 32111410022.

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 22001411123 - 2² = 22001411119 is a prime.

It is a super-2 number, since 2×22001411123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22001411183) 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, 1646843 + ... + 1660148.

It is an arithmetic number, because the mean of its divisors is an integer number (5501181192).

Almost surely, 2^22001411123 is an apocalyptic number.

22001411123 is a deficient number, since it is larger than the sum of its proper divisors (3313645).

22001411123 is an equidigital number, since it uses as much as digits as its factorization.

22001411123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313644.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22001411123 its reverse (32111410022), we get a palindrome (54112821145).

The spelling of 22001411123 in words is "twenty-two billion, one million, four hundred eleven thousand, one hundred twenty-three".