110210222201221 has 4 divisors (see below), whose sum is σ = 110210375846592. Its totient is φ = 110210068555852.

The previous prime is 110210222201207. The next prime is 110210222201243. The reversal of 110210222201221 is 122102222012011.

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 110210222201221 - 2³⁹ = 109660466387333 is a prime.

It is a super-2 number, since 2×110210222201221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110210222201251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75741661 + ... + 77183026.

It is an arithmetic number, because the mean of its divisors is an integer number (27552593961648).

Almost surely, 2^{110210222201221} is an apocalyptic number.

It is an amenable number.

110210222201221 is a deficient number, since it is larger than the sum of its proper divisors (153645371).

110210222201221 is an equidigital number, since it uses as much as digits as its factorization.

110210222201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153645370.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 110210222201221 its reverse (122102222012011), we get a palindrome (232312444213232).

The spelling of 110210222201221 in words is "one hundred ten trillion, two hundred ten billion, two hundred twenty-two million, two hundred one thousand, two hundred twenty-one".