11223121130 has 32 divisors (see below), whose sum is σ = 21842327808. Its totient is φ = 4127400000.

The previous prime is 11223121109. The next prime is 11223121139. The reversal of 11223121130 is 3112132211.

It is a junction number, because it is equal to n+sod(n) for n = 11223121099 and 11223121108.

It is not an unprimeable number, because it can be changed into a prime (11223121139) 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, 139346 + ... + 204605.

It is an arithmetic number, because the mean of its divisors is an integer number (682572744).

Almost surely, 2^11223121130 is an apocalyptic number.

11223121130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11223121130 is a deficient number, since it is larger than the sum of its proper divisors (10619206678).

11223121130 is a wasteful number, since it uses less digits than its factorization.

11223121130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344222.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11223121130 its reverse (3112132211), we get a palindrome (14335253341).

The spelling of 11223121130 in words is "eleven billion, two hundred twenty-three million, one hundred twenty-one thousand, one hundred thirty".