110111110021321 has 4 divisors (see below), whose sum is σ = 110111225528592. Its totient is φ = 110110994514052.

The previous prime is 110111110021261. The next prime is 110111110021337. The reversal of 110111110021321 is 123120011111011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110111110021321 - 2¹³ = 110111110013129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110111110021295 and 110111110021304.

It is not an unprimeable number, because it can be changed into a prime (110111110021361) 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, 56311711 + ... + 58234276.

It is an arithmetic number, because the mean of its divisors is an integer number (27527806382148).

Almost surely, 2^{110111110021321} is an apocalyptic number.

It is an amenable number.

110111110021321 is a deficient number, since it is larger than the sum of its proper divisors (115507271).

110111110021321 is an equidigital number, since it uses as much as digits as its factorization.

110111110021321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115507270.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 110111110021321 its reverse (123120011111011), we get a palindrome (233231121132332).

The spelling of 110111110021321 in words is "one hundred ten trillion, one hundred eleven billion, one hundred ten million, twenty-one thousand, three hundred twenty-one".