222211211201 has 8 divisors (see below), whose sum is σ = 258118878144. Its totient is φ = 187344346320.

The previous prime is 222211211177. The next prime is 222211211219. The reversal of 222211211201 is 102112112222.

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 222211211201 - 2¹⁸ = 222210949057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222211211201.

It is not an unprimeable number, because it can be changed into a prime (222211211221) 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, 260200055 + ... + 260200908.

It is an arithmetic number, because the mean of its divisors is an integer number (32264859768).

Almost surely, 2^222211211201 is an apocalyptic number.

It is an amenable number.

222211211201 is a deficient number, since it is larger than the sum of its proper divisors (35907666943).

222211211201 is an equidigital number, since it uses as much as digits as its factorization.

222211211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520401031.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222211211201 its reverse (102112112222), we get a palindrome (324323323423).

The spelling of 222211211201 in words is "two hundred twenty-two billion, two hundred eleven million, two hundred eleven thousand, two hundred one".