11431214222 has 32 divisors (see below), whose sum is σ = 18970459200. Its totient is φ = 5138546688.

The previous prime is 11431214203. The next prime is 11431214231. The reversal of 11431214222 is 22241213411.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

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, 591854 + ... + 610862.

It is an arithmetic number, because the mean of its divisors is an integer number (592826850).

Almost surely, 2^11431214222 is an apocalyptic number.

11431214222 is a deficient number, since it is larger than the sum of its proper divisors (7539244978).

11431214222 is a wasteful number, since it uses less digits than its factorization.

11431214222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19820.

The product of its digits is 768, while the sum is 23.

Adding to 11431214222 its reverse (22241213411), we get a palindrome (33672427633).

The spelling of 11431214222 in words is "eleven billion, four hundred thirty-one million, two hundred fourteen thousand, two hundred twenty-two".