11213121104430 has 32 divisors (see below), whose sum is σ = 30755989315584. Its totient is φ = 2562999109536.

The previous prime is 11213121104413. The next prime is 11213121104453. The reversal of 11213121104430 is 3440112131211.

It is a super-2 number, since 2×11213121104430² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11213121104430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26697907182 + ... + 26697907601.

It is an arithmetic number, because the mean of its divisors is an integer number (961124666112).

Almost surely, 2^{11213121104430} is an apocalyptic number.

11213121104430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11213121104430 is an abundant number, since it is smaller than the sum of its proper divisors (19542868211154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11213121104430 is a wasteful number, since it uses less digits than its factorization.

11213121104430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53395814800.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 11213121104430 its reverse (3440112131211), we get a palindrome (14653233235641).

The spelling of 11213121104430 in words is "eleven trillion, two hundred thirteen billion, one hundred twenty-one million, one hundred four thousand, four hundred thirty".