222210211212321 has 8 divisors (see below), whose sum is σ = 303506629948704. Its totient is φ = 144526966642080.

The previous prime is 222210211212259. The next prime is 222210211212343. The reversal of 222210211212321 is 123212112012222.

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

It is not a de Polignac number, because 222210211212321 - 2⁶ = 222210211212257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222210211212291 and 222210211212300.

It is not an unprimeable number, because it can be changed into a prime (222210211213321) 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, 903293541391 + ... + 903293541636.

It is an arithmetic number, because the mean of its divisors is an integer number (37938328743588).

Almost surely, 2^{222210211212321} is an apocalyptic number.

It is an amenable number.

222210211212321 is a deficient number, since it is larger than the sum of its proper divisors (81296418736383).

222210211212321 is a wasteful number, since it uses less digits than its factorization.

222210211212321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806587083071.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 222210211212321 its reverse (123212112012222), we get a palindrome (345422323224543).

The spelling of 222210211212321 in words is "two hundred twenty-two trillion, two hundred ten billion, two hundred eleven million, two hundred twelve thousand, three hundred twenty-one".