21220122211233 has 8 divisors (see below), whose sum is σ = 30865632307296. Its totient is φ = 12860680128000.

The previous prime is 21220122211217. The next prime is 21220122211259. The reversal of 21220122211233 is 33211222102212.

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

It is not a de Polignac number, because 21220122211233 - 2⁴ = 21220122211217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21220122231233) 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, 321517003168 + ... + 321517003233.

It is an arithmetic number, because the mean of its divisors is an integer number (3858204038412).

Almost surely, 2^{21220122211233} is an apocalyptic number.

It is an amenable number.

21220122211233 is a deficient number, since it is larger than the sum of its proper divisors (9645510096063).

21220122211233 is a wasteful number, since it uses less digits than its factorization.

21220122211233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643034006415.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21220122211233 its reverse (33211222102212), we get a palindrome (54431344313445).

The spelling of 21220122211233 in words is "twenty-one trillion, two hundred twenty billion, one hundred twenty-two million, two hundred eleven thousand, two hundred thirty-three".