1101323221331 has 2 divisors, whose sum is σ = 1101323221332. Its totient is φ = 1101323221330.

The previous prime is 1101323221309. The next prime is 1101323221373. The reversal of 1101323221331 is 1331223231011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101323221331 - 2²² = 1101319027027 is a prime.

It is a super-2 number, since 2×1101323221331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101323221297 and 1101323221306.

It is not a weakly prime, because it can be changed into another prime (1101323227331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550661610665 + 550661610666.

It is an arithmetic number, because the mean of its divisors is an integer number (550661610666).

Almost surely, 2^{1101323221331} is an apocalyptic number.

1101323221331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101323221331 is an equidigital number, since it uses as much as digits as its factorization.

1101323221331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1101323221331 its reverse (1331223231011), we get a palindrome (2432546452342).

The spelling of 1101323221331 in words is "one trillion, one hundred one billion, three hundred twenty-three million, two hundred twenty-one thousand, three hundred thirty-one".