11401222222 has 32 divisors (see below), whose sum is σ = 19838085120. Its totient is φ = 4870942560.

The previous prime is 11401222207. The next prime is 11401222223. The reversal of 11401222222 is 22222210411.

It is a self number, because there is not a number n which added to its sum of digits gives 11401222222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401222223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288972 + ... + 326047.

It is an arithmetic number, because the mean of its divisors is an integer number (619940160).

Almost surely, 2^11401222222 is an apocalyptic number.

11401222222 is a deficient number, since it is larger than the sum of its proper divisors (8436862898).

11401222222 is a wasteful number, since it uses less digits than its factorization.

11401222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615088.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 11401222222 its reverse (22222210411), we get a palindrome (33623432633).

The spelling of 11401222222 in words is "eleven billion, four hundred one million, two hundred twenty-two thousand, two hundred twenty-two".