110203211321 has 12 divisors (see below), whose sum is σ = 128211258240. Its totient is φ = 94448337480.

The previous prime is 110203211309. The next prime is 110203211353. The reversal of 110203211321 is 123112302011.

It is a de Polignac number, because none of the positive numbers 2^k-110203211321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110203211321.

It is not an unprimeable number, because it can be changed into a prime (110203211221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279740 + ... + 546498.

It is an arithmetic number, because the mean of its divisors is an integer number (10684271520).

Almost surely, 2^110203211321 is an apocalyptic number.

It is an amenable number.

110203211321 is a deficient number, since it is larger than the sum of its proper divisors (18008046919).

110203211321 is an equidigital number, since it uses as much as digits as its factorization.

110203211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275204 (or 275197 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 110203211321 its reverse (123112302011), we get a palindrome (233315513332).

The spelling of 110203211321 in words is "one hundred ten billion, two hundred three million, two hundred eleven thousand, three hundred twenty-one".