110210101011221 has 4 divisors (see below), whose sum is σ = 115001844533472. Its totient is φ = 105418357488972.

The previous prime is 110210101011187. The next prime is 110210101011229. The reversal of 110210101011221 is 122110101012011.

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 110210101011221 - 2³⁴ = 110192921142037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110210101011196 and 110210101011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110210101011229) 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, 2395871761091 + ... + 2395871761136.

It is an arithmetic number, because the mean of its divisors is an integer number (28750461133368).

Almost surely, 2^{110210101011221} is an apocalyptic number.

It is an amenable number.

110210101011221 is a deficient number, since it is larger than the sum of its proper divisors (4791743522251).

110210101011221 is an equidigital number, since it uses as much as digits as its factorization.

110210101011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4791743522250.

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

Adding to 110210101011221 its reverse (122110101012011), we get a palindrome (232320202023232).

The spelling of 110210101011221 in words is "one hundred ten trillion, two hundred ten billion, one hundred one million, eleven thousand, two hundred twenty-one".