1322211322123 has 4 divisors (see below), whose sum is σ = 1364863300288. Its totient is φ = 1279559343960.

The previous prime is 1322211322111. The next prime is 1322211322127. The reversal of 1322211322123 is 3212231122231.

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 1322211322123 - 2¹³ = 1322211313931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322211322127) 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, 21325989036 + ... + 21325989097.

It is an arithmetic number, because the mean of its divisors is an integer number (341215825072).

Almost surely, 2^{1322211322123} is an apocalyptic number.

1322211322123 is a deficient number, since it is larger than the sum of its proper divisors (42651978165).

1322211322123 is an equidigital number, since it uses as much as digits as its factorization.

1322211322123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42651978164.

The product of its digits is 1728, while the sum is 25.

Adding to 1322211322123 its reverse (3212231122231), we get a palindrome (4534442444354).

The spelling of 1322211322123 in words is "one trillion, three hundred twenty-two billion, two hundred eleven million, three hundred twenty-two thousand, one hundred twenty-three".