11321221430 has 8 divisors (see below), whose sum is σ = 20378198592. Its totient is φ = 4528488568.

The previous prime is 11321221427. The next prime is 11321221447. The reversal of 11321221430 is 3412212311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566061062 + ... + 566061081.

It is an arithmetic number, because the mean of its divisors is an integer number (2547274824).

Almost surely, 2^11321221430 is an apocalyptic number.

11321221430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11321221430 is a deficient number, since it is larger than the sum of its proper divisors (9056977162).

11321221430 is a wasteful number, since it uses less digits than its factorization.

11321221430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132122150.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11321221430 its reverse (3412212311), we get a palindrome (14733433741).

The spelling of 11321221430 in words is "eleven billion, three hundred twenty-one million, two hundred twenty-one thousand, four hundred thirty".