1222113111211 has 8 divisors (see below), whose sum is σ = 1234024047360. Its totient is φ = 1210203055272.

The previous prime is 1222113111179. The next prime is 1222113111221. The reversal of 1222113111211 is 1121113112221.

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 1222113111211 - 2⁵ = 1222113111179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222113111221) 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, 2766906 + ... + 3178048.

It is an arithmetic number, because the mean of its divisors is an integer number (154253005920).

Almost surely, 2^{1222113111211} is an apocalyptic number.

1222113111211 is a deficient number, since it is larger than the sum of its proper divisors (11910936149).

1222113111211 is a wasteful number, since it uses less digits than its factorization.

1222113111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440105.

The product of its digits is 48, while the sum is 19.

Adding to 1222113111211 its reverse (1121113112221), we get a palindrome (2343226223432).

The spelling of 1222113111211 in words is "one trillion, two hundred twenty-two billion, one hundred thirteen million, one hundred eleven thousand, two hundred eleven".