222111121011211 has 8 divisors (see below), whose sum is σ = 245401545465504. Its totient is φ = 199956814823040.

The previous prime is 222111121011209. The next prime is 222111121011223. The reversal of 222111121011211 is 112110121111222.

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 222111121011211 - 2¹ = 222111121011209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222111121011251) 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, 284029566120 + ... + 284029566901.

It is an arithmetic number, because the mean of its divisors is an integer number (30675193183188).

Almost surely, 2^{222111121011211} is an apocalyptic number.

222111121011211 is a deficient number, since it is larger than the sum of its proper divisors (23290424454293).

222111121011211 is a wasteful number, since it uses less digits than its factorization.

222111121011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568059133061.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 222111121011211 its reverse (112110121111222), we get a palindrome (334221242122433).

The spelling of 222111121011211 in words is "two hundred twenty-two trillion, one hundred eleven billion, one hundred twenty-one million, eleven thousand, two hundred eleven".