110210100111221 has 16 divisors (see below), whose sum is σ = 120294635632128. Its totient is φ = 100136485359600.

The previous prime is 110210100111203. The next prime is 110210100111281. The reversal of 110210100111221 is 122111001012011.

It is a cyclic number.

It is not a de Polignac number, because 110210100111221 - 2¹⁰ = 110210100110197 is a prime.

It is a super-2 number, since 2×110210100111221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110210100111196 and 110210100111205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110210100111281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149548976 + ... + 150284118.

It is an arithmetic number, because the mean of its divisors is an integer number (7518414727008).

Almost surely, 2^{110210100111221} is an apocalyptic number.

110210100111221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110210100111221 is a deficient number, since it is larger than the sum of its proper divisors (10084535520907).

110210100111221 is a wasteful number, since it uses less digits than its factorization.

110210100111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742552.

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

Adding to 110210100111221 its reverse (122111001012011), we get a palindrome (232321101123232).

The spelling of 110210100111221 in words is "one hundred ten trillion, two hundred ten billion, one hundred million, one hundred eleven thousand, two hundred twenty-one".