11220030001123 has 4 divisors (see below), whose sum is σ = 11220136049320. Its totient is φ = 11219923952928.

The previous prime is 11220030001109. The next prime is 11220030001127. The reversal of 11220030001123 is 32110003002211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11220030001123 is a prime.

It is a super-2 number, since 2×11220030001123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11220030001097 and 11220030001106.

It is not an unprimeable number, because it can be changed into a prime (11220030001127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52865238 + ... + 53077051.

It is an arithmetic number, because the mean of its divisors is an integer number (2805034012330).

Almost surely, 2^{11220030001123} is an apocalyptic number.

11220030001123 is a deficient number, since it is larger than the sum of its proper divisors (106048197).

11220030001123 is a wasteful number, since it uses less digits than its factorization.

11220030001123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106048196.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11220030001123 its reverse (32110003002211), we get a palindrome (43330033003334).

The spelling of 11220030001123 in words is "eleven trillion, two hundred twenty billion, thirty million, one thousand, one hundred twenty-three".