11221001223 has 8 divisors (see below), whose sum is σ = 15014203008. Its totient is φ = 7454233464.

The previous prime is 11221001221. The next prime is 11221001251. The reversal of 11221001223 is 32210012211.

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

It is not a de Polignac number, because 11221001223 - 2¹ = 11221001221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221001221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6607515 + ... + 6609212.

It is an arithmetic number, because the mean of its divisors is an integer number (1876775376).

Almost surely, 2^11221001223 is an apocalyptic number.

11221001223 is a deficient number, since it is larger than the sum of its proper divisors (3793201785).

11221001223 is a wasteful number, since it uses less digits than its factorization.

11221001223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13217013.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11221001223 its reverse (32210012211), we get a palindrome (43431013434).

The spelling of 11221001223 in words is "eleven billion, two hundred twenty-one million, one thousand, two hundred twenty-three".