1322310220111 has 4 divisors (see below), whose sum is σ = 1344722257800. Its totient is φ = 1299898182424.

The previous prime is 1322310220087. The next prime is 1322310220139. The reversal of 1322310220111 is 1110220132231.

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 1322310220111 - 2⁷ = 1322310219983 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 (1322310220171) 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, 11206018756 + ... + 11206018873.

It is an arithmetic number, because the mean of its divisors is an integer number (336180564450).

Almost surely, 2^{1322310220111} is an apocalyptic number.

1322310220111 is a deficient number, since it is larger than the sum of its proper divisors (22412037689).

1322310220111 is an equidigital number, since it uses as much as digits as its factorization.

1322310220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22412037688.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1322310220111 its reverse (1110220132231), we get a palindrome (2432530352342).

The spelling of 1322310220111 in words is "one trillion, three hundred twenty-two billion, three hundred ten million, two hundred twenty thousand, one hundred eleven".