23111401122 has 24 divisors (see below), whose sum is σ = 50364158364. Its totient is φ = 7659268704.

The previous prime is 23111401091. The next prime is 23111401123. The reversal of 23111401122 is 22110411132.

23111401122 is a `hidden beast` number, since 231 + 11 + 401 + 1 + 22 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23004092241 + 107308881 = 151671^2 + 10359^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23111401095 and 23111401104.

It is not an unprimeable number, because it can be changed into a prime (23111401123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3707773 + ... + 3714000.

Almost surely, 2^23111401122 is an apocalyptic number.

23111401122 is an abundant number, since it is smaller than the sum of its proper divisors (27252757242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23111401122 is a wasteful number, since it uses less digits than its factorization.

23111401122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7421954 (or 7421951 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 23111401122 its reverse (22110411132), we get a palindrome (45221812254).

The spelling of 23111401122 in words is "twenty-three billion, one hundred eleven million, four hundred one thousand, one hundred twenty-two".