11222210111123 has 16 divisors (see below), whose sum is σ = 12319766759520. Its totient is φ = 10137674131200.

The previous prime is 11222210111107. The next prime is 11222210111141. The reversal of 11222210111123 is 32111101222211.

It is not a de Polignac number, because 11222210111123 - 2⁴ = 11222210111107 is a prime.

It is a super-2 number, since 2×11222210111123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11222210111095 and 11222210111104.

It is not an unprimeable number, because it can be changed into a prime (11222210111153) 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, 1447568 + ... + 4953773.

It is an arithmetic number, because the mean of its divisors is an integer number (769985422470).

Almost surely, 2^{11222210111123} is an apocalyptic number.

11222210111123 is a deficient number, since it is larger than the sum of its proper divisors (1097556648397).

11222210111123 is a wasteful number, since it uses less digits than its factorization.

11222210111123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6402358.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 11222210111123 its reverse (32111101222211), we get a palindrome (43333311333334).

The spelling of 11222210111123 in words is "eleven trillion, two hundred twenty-two billion, two hundred ten million, one hundred eleven thousand, one hundred twenty-three".