11211020223 has 8 divisors (see below), whose sum is σ = 16097875248. Its totient is φ = 6899089344.

The previous prime is 11211020173. The next prime is 11211020257. The reversal of 11211020223 is 32202011211.

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

It is not a de Polignac number, because 11211020223 - 2¹⁸ = 11210758079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211025223) 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, 143730990 + ... + 143731067.

It is an arithmetic number, because the mean of its divisors is an integer number (2012234406).

Almost surely, 2^11211020223 is an apocalyptic number.

11211020223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11211020223 is a deficient number, since it is larger than the sum of its proper divisors (4886855025).

11211020223 is a wasteful number, since it uses less digits than its factorization.

11211020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287462073.

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

Adding to 11211020223 its reverse (32202011211), we get a palindrome (43413031434).

The spelling of 11211020223 in words is "eleven billion, two hundred eleven million, twenty thousand, two hundred twenty-three".