223311000021 has 8 divisors (see below), whose sum is σ = 305795243424. Its totient is φ = 144850378320.

The previous prime is 223311000007. The next prime is 223311000079. The reversal of 223311000021 is 120000113322.

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

It is not a de Polignac number, because 223311000021 - 2⁷ = 223310999893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223311000421) 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, 1005905295 + ... + 1005905516.

It is an arithmetic number, because the mean of its divisors is an integer number (38224405428).

Almost surely, 2^223311000021 is an apocalyptic number.

It is an amenable number.

223311000021 is a deficient number, since it is larger than the sum of its proper divisors (82484243403).

223311000021 is a wasteful number, since it uses less digits than its factorization.

223311000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011810851.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 223311000021 its reverse (120000113322), we get a palindrome (343311113343).

The spelling of 223311000021 in words is "two hundred twenty-three billion, three hundred eleven million, twenty-one", and thus it is an aban number.