110113242121321 has 6 divisors (see below), whose sum is σ = 116213698748922. Its totient is φ = 104317808325120.

The previous prime is 110113242121279. The next prime is 110113242121373. The reversal of 110113242121321 is 123121242311011.

It can be written as a sum of positive squares in only one way, i.e., 105392008455721 + 4721233665600 = 10266061^2 + 2172840^2 .

It is not a de Polignac number, because 110113242121321 - 2²¹ = 110113240024169 is a prime.

It is a super-2 number, since 2×110113242121321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110113242121721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152511415320 + ... + 152511416041.

It is an arithmetic number, because the mean of its divisors is an integer number (19368949791487).

Almost surely, 2^{110113242121321} is an apocalyptic number.

It is an amenable number.

110113242121321 is a deficient number, since it is larger than the sum of its proper divisors (6100456627601).

110113242121321 is an equidigital number, since it uses as much as digits as its factorization.

110113242121321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305022831399 (or 305022831380 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 110113242121321 its reverse (123121242311011), we get a palindrome (233234484432332).

The spelling of 110113242121321 in words is "one hundred ten trillion, one hundred thirteen billion, two hundred forty-two million, one hundred twenty-one thousand, three hundred twenty-one".