110111001120221 has 4 divisors (see below), whose sum is σ = 110112703923552. Its totient is φ = 110109298316892.

The previous prime is 110111001120217. The next prime is 110111001120223. The reversal of 110111001120221 is 122021100111011.

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 110111001120221 - 2² = 110111001120217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110111001120196 and 110111001120205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110111001120223) 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, 851304665 + ... + 851433998.

It is an arithmetic number, because the mean of its divisors is an integer number (27528175980888).

Almost surely, 2^{110111001120221} is an apocalyptic number.

It is an amenable number.

110111001120221 is a deficient number, since it is larger than the sum of its proper divisors (1702803331).

110111001120221 is an equidigital number, since it uses as much as digits as its factorization.

110111001120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702803330.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 110111001120221 its reverse (122021100111011), we get a palindrome (232132101231232).

The spelling of 110111001120221 in words is "one hundred ten trillion, one hundred eleven billion, one million, one hundred twenty thousand, two hundred twenty-one".