11223212213021 has 8 divisors (see below), whose sum is σ = 11393228280384. Its totient is φ = 11053527886240.

The previous prime is 11223212212987. The next prime is 11223212213063. The reversal of 11223212213021 is 12031221232211.

11223212213021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11223212213021 - 2³⁰ = 11222138471197 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 (11223212213621) 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, 82866971 + ... + 83002296.

It is an arithmetic number, because the mean of its divisors is an integer number (1424153535048).

Almost surely, 2^{11223212213021} is an apocalyptic number.

It is an amenable number.

11223212213021 is a deficient number, since it is larger than the sum of its proper divisors (170016067363).

11223212213021 is an equidigital number, since it uses as much as digits as its factorization.

11223212213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165870291.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 11223212213021 its reverse (12031221232211), we get a palindrome (23254433445232).

The spelling of 11223212213021 in words is "eleven trillion, two hundred twenty-three billion, two hundred twelve million, two hundred thirteen thousand, twenty-one".