1110223220321 has 4 divisors (see below), whose sum is σ = 1128423601044. Its totient is φ = 1092022839600.

The previous prime is 1110223220219. The next prime is 1110223220341. The reversal of 1110223220321 is 1230223220111.

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 374807206225 + 735416014096 = 612215^2 + 857564^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110223220321 - 2³⁰ = 1109149478497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110223220293 and 1110223220302.

It is not an unprimeable number, because it can be changed into a prime (1110223220341) 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, 9100190270 + ... + 9100190391.

It is an arithmetic number, because the mean of its divisors is an integer number (282105900261).

Almost surely, 2^{1110223220321} is an apocalyptic number.

It is an amenable number.

1110223220321 is a deficient number, since it is larger than the sum of its proper divisors (18200380723).

1110223220321 is an equidigital number, since it uses as much as digits as its factorization.

1110223220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18200380722.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1110223220321 its reverse (1230223220111), we get a palindrome (2340446440432).

The spelling of 1110223220321 in words is "one trillion, one hundred ten billion, two hundred twenty-three million, two hundred twenty thousand, three hundred twenty-one".