1322131121111 has 2 divisors, whose sum is σ = 1322131121112. Its totient is φ = 1322131121110.

The previous prime is 1322131121083. The next prime is 1322131121119. The reversal of 1322131121111 is 1111211312231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322131121111 is a prime.

It is a super-3 number, since 3×1322131121111³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322131121119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661065560555 + 661065560556.

It is an arithmetic number, because the mean of its divisors is an integer number (661065560556).

Almost surely, 2^{1322131121111} is an apocalyptic number.

1322131121111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322131121111 is an equidigital number, since it uses as much as digits as its factorization.

1322131121111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72, while the sum is 20.

Adding to 1322131121111 its reverse (1111211312231), we get a palindrome (2433342433342).

The spelling of 1322131121111 in words is "one trillion, three hundred twenty-two billion, one hundred thirty-one million, one hundred twenty-one thousand, one hundred eleven".