110011203121321 has 2 divisors, whose sum is σ = 110011203121322. Its totient is φ = 110011203121320.

The previous prime is 110011203121301. The next prime is 110011203121331. The reversal of 110011203121321 is 123121302110011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84328150177296 + 25683052944025 = 9183036^2 + 5067845^2 .

It is a cyclic number.

It is not a de Polignac number, because 110011203121321 - 2³¹ = 110009055637673 is a prime.

It is not a weakly prime, because it can be changed into another prime (110011203121301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55005601560660 + 55005601560661.

It is an arithmetic number, because the mean of its divisors is an integer number (55005601560661).

Almost surely, 2^{110011203121321} is an apocalyptic number.

It is an amenable number.

110011203121321 is a deficient number, since it is larger than the sum of its proper divisors (1).

110011203121321 is an equidigital number, since it uses as much as digits as its factorization.

110011203121321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 110011203121321 its reverse (123121302110011), we get a palindrome (233132505231332).

The spelling of 110011203121321 in words is "one hundred ten trillion, eleven billion, two hundred three million, one hundred twenty-one thousand, three hundred twenty-one".