1222113233111 has 8 divisors (see below), whose sum is σ = 1229729370480. Its totient is φ = 1214498541312.

The previous prime is 1222113233059. The next prime is 1222113233137. The reversal of 1222113233111 is 1113323112221.

It is a happy number.

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 1222113233111 - 2²² = 1222109038807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222113239111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1360181 + ... + 2072273.

It is an arithmetic number, because the mean of its divisors is an integer number (153716171310).

Almost surely, 2^{1222113233111} is an apocalyptic number.

1222113233111 is a deficient number, since it is larger than the sum of its proper divisors (7616137369).

1222113233111 is a wasteful number, since it uses less digits than its factorization.

1222113233111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722785.

The product of its digits is 432, while the sum is 23.

Adding to 1222113233111 its reverse (1113323112221), we get a palindrome (2335436345332).

The spelling of 1222113233111 in words is "one trillion, two hundred twenty-two billion, one hundred thirteen million, two hundred thirty-three thousand, one hundred eleven".