11431400122 has 32 divisors (see below), whose sum is σ = 18551937600. Its totient is φ = 5266166400.

The previous prime is 11431400089. The next prime is 11431400137. The reversal of 11431400122 is 22100413411.

It is a super-2 number, since 2×11431400122² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 11431400122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178597 + ... + 234007.

It is an arithmetic number, because the mean of its divisors is an integer number (579748050).

Almost surely, 2^11431400122 is an apocalyptic number.

11431400122 is a deficient number, since it is larger than the sum of its proper divisors (7120537478).

11431400122 is a wasteful number, since it uses less digits than its factorization.

11431400122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55582.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11431400122 its reverse (22100413411), we get a palindrome (33531813533).

The spelling of 11431400122 in words is "eleven billion, four hundred thirty-one million, four hundred thousand, one hundred twenty-two".