110021141321321 has 4 divisors (see below), whose sum is σ = 110449239147732. Its totient is φ = 109593043494912.

The previous prime is 110021141321303. The next prime is 110021141321347. The reversal of 110021141321321 is 123123141120011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52768674282025 + 57252467039296 = 7264205^2 + 7566536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110021141321321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110021141321381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214048912820 + ... + 214048913333.

It is an arithmetic number, because the mean of its divisors is an integer number (27612309786933).

Almost surely, 2^{110021141321321} is an apocalyptic number.

It is an amenable number.

110021141321321 is a deficient number, since it is larger than the sum of its proper divisors (428097826411).

110021141321321 is an equidigital number, since it uses as much as digits as its factorization.

110021141321321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428097826410.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 110021141321321 its reverse (123123141120011), we get a palindrome (233144282441332).

The spelling of 110021141321321 in words is "one hundred ten trillion, twenty-one billion, one hundred forty-one million, three hundred twenty-one thousand, three hundred twenty-one".