11221221230 has 8 divisors (see below), whose sum is σ = 20198198232. Its totient is φ = 4488488488.

The previous prime is 11221221217. The next prime is 11221221233. The reversal of 11221221230 is 3212212211.

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

It is a junction number, because it is equal to n+sod(n) for n = 11221221199 and 11221221208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221221233) 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, 561061052 + ... + 561061071.

It is an arithmetic number, because the mean of its divisors is an integer number (2524774779).

Almost surely, 2^11221221230 is an apocalyptic number.

11221221230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221221230 is a deficient number, since it is larger than the sum of its proper divisors (8976977002).

11221221230 is a wasteful number, since it uses less digits than its factorization.

11221221230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122122130.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11221221230 its reverse (3212212211), we get a palindrome (14433433441).

The spelling of 11221221230 in words is "eleven billion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred thirty".