21113120322223 has 8 divisors (see below), whose sum is σ = 21150018515808. Its totient is φ = 21076223192064.

The previous prime is 21113120322211. The next prime is 21113120322313. The reversal of 21113120322223 is 32222302131112.

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

It is a cyclic number.

It is not a de Polignac number, because 21113120322223 - 2⁵ = 21113120322191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21113120322523) 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, 46715790 + ... + 47165572.

It is an arithmetic number, because the mean of its divisors is an integer number (2643752314476).

Almost surely, 2^{21113120322223} is an apocalyptic number.

21113120322223 is a deficient number, since it is larger than the sum of its proper divisors (36898193585).

21113120322223 is an equidigital number, since it uses as much as digits as its factorization.

21113120322223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531713.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 21113120322223 its reverse (32222302131112), we get a palindrome (53335422453335).

The spelling of 21113120322223 in words is "twenty-one trillion, one hundred thirteen billion, one hundred twenty million, three hundred twenty-two thousand, two hundred twenty-three".