1222220233111 has 8 divisors (see below), whose sum is σ = 1222901729840. Its totient is φ = 1221538900608.

The previous prime is 1222220233103. The next prime is 1222220233139. The reversal of 1222220233111 is 1113320222221.

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 1222220233111 - 2³ = 1222220233103 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 (1222220233141) 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, 16704175 + ... + 16777183.

It is an arithmetic number, because the mean of its divisors is an integer number (152862716230).

Almost surely, 2^{1222220233111} is an apocalyptic number.

1222220233111 is a deficient number, since it is larger than the sum of its proper divisors (681496729).

1222220233111 is an equidigital number, since it uses as much as digits as its factorization.

1222220233111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82113.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1222220233111 its reverse (1113320222221), we get a palindrome (2335540455332).

The spelling of 1222220233111 in words is "one trillion, two hundred twenty-two billion, two hundred twenty million, two hundred thirty-three thousand, one hundred eleven".