11420123222 has 16 divisors (see below), whose sum is σ = 17189895840. Its totient is φ = 5690176128.

The previous prime is 11420123191. The next prime is 11420123243. The reversal of 11420123222 is 22232102411.

It is a super-2 number, since 2×11420123222² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11420123194 and 11420123203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1942904 + ... + 1948772.

It is an arithmetic number, because the mean of its divisors is an integer number (1074368490).

Almost surely, 2^11420123222 is an apocalyptic number.

11420123222 is a deficient number, since it is larger than the sum of its proper divisors (5769772618).

11420123222 is a wasteful number, since it uses less digits than its factorization.

11420123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9095.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11420123222 its reverse (22232102411), we get a palindrome (33652225633).

The spelling of 11420123222 in words is "eleven billion, four hundred twenty million, one hundred twenty-three thousand, two hundred twenty-two".