11331321122105 has 32 divisors (see below), whose sum is σ = 13963238479008. Its totient is φ = 8822392473600.

The previous prime is 11331321122101. The next prime is 11331321122113. The reversal of 11331321122105 is 50122112313311.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 10715271949561 + 616049172544 = 3273419^2 + 784888^2 .

It is not a de Polignac number, because 11331321122105 - 2² = 11331321122101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331321122101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149489315 + ... + 149565095.

It is an arithmetic number, because the mean of its divisors is an integer number (436351202469).

Almost surely, 2^{11331321122105} is an apocalyptic number.

It is an amenable number.

11331321122105 is a deficient number, since it is larger than the sum of its proper divisors (2631917356903).

11331321122105 is a wasteful number, since it uses less digits than its factorization.

11331321122105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77597.

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 11331321122105 its reverse (50122112313311), we get a palindrome (61453433435416).

The spelling of 11331321122105 in words is "eleven trillion, three hundred thirty-one billion, three hundred twenty-one million, one hundred twenty-two thousand, one hundred five".