110221321213 has 4 divisors (see below), whose sum is σ = 111089205760. Its totient is φ = 109353436668.

The previous prime is 110221321201. The next prime is 110221321229. The reversal of 110221321213 is 312123122011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 312123122011 = 2251 ⋅138659761.

It is a cyclic number.

It is not a de Polignac number, because 110221321213 - 2⁵ = 110221321181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110221321253) 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, 433942083 + ... + 433942336.

It is an arithmetic number, because the mean of its divisors is an integer number (27772301440).

Almost surely, 2^110221321213 is an apocalyptic number.

It is an amenable number.

110221321213 is a deficient number, since it is larger than the sum of its proper divisors (867884547).

110221321213 is an equidigital number, since it uses as much as digits as its factorization.

110221321213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867884546.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 110221321213 its reverse (312123122011), we get a palindrome (422344443224).

The spelling of 110221321213 in words is "one hundred ten billion, two hundred twenty-one million, three hundred twenty-one thousand, two hundred thirteen".