11123240212222 has 16 divisors (see below), whose sum is σ = 17266271707440. Its totient is φ = 5367951229312.

The previous prime is 11123240212211. The next prime is 11123240212247. The reversal of 11123240212222 is 22221204232111.

It is a super-3 number, since 3×11123240212222³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33563563 + ... + 33893350.

It is an arithmetic number, because the mean of its divisors is an integer number (1079141981715).

Almost surely, 2^{11123240212222} is an apocalyptic number.

11123240212222 is a deficient number, since it is larger than the sum of its proper divisors (6143031495218).

11123240212222 is a wasteful number, since it uses less digits than its factorization.

11123240212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67459787.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 11123240212222 its reverse (22221204232111), we get a palindrome (33344444444333).

The spelling of 11123240212222 in words is "eleven trillion, one hundred twenty-three billion, two hundred forty million, two hundred twelve thousand, two hundred twenty-two".