1322212232111 has 4 divisors (see below), whose sum is σ = 1352961353832. Its totient is φ = 1291463110392.

The previous prime is 1322212232087. The next prime is 1322212232137. The reversal of 1322212232111 is 1112322122231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1322212232111 - 2²² = 1322208037807 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 (1322212232141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15374560796 + ... + 15374560881.

It is an arithmetic number, because the mean of its divisors is an integer number (338240338458).

Almost surely, 2^{1322212232111} is an apocalyptic number.

1322212232111 is a deficient number, since it is larger than the sum of its proper divisors (30749121721).

1322212232111 is an equidigital number, since it uses as much as digits as its factorization.

1322212232111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30749121720.

The product of its digits is 576, while the sum is 23.

Adding to 1322212232111 its reverse (1112322122231), we get a palindrome (2434534354342).

The spelling of 1322212232111 in words is "one trillion, three hundred twenty-two billion, two hundred twelve million, two hundred thirty-two thousand, one hundred eleven".