110211111221 has 8 divisors (see below), whose sum is σ = 111355250688. Its totient is φ = 109068010000.

The previous prime is 110211111217. The next prime is 110211111287. The reversal of 110211111221 is 122111112011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 110211111221 - 2² = 110211111217 is a prime.

It is a super-2 number, since 2×110211111221² (a number of 23 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 = 110211111196 and 110211111205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110211111721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45245 + ... + 471666.

It is an arithmetic number, because the mean of its divisors is an integer number (13919406336).

Almost surely, 2^110211111221 is an apocalyptic number.

It is an amenable number.

110211111221 is a deficient number, since it is larger than the sum of its proper divisors (1144139467).

110211111221 is a wasteful number, since it uses less digits than its factorization.

110211111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519123.

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

Adding to 110211111221 its reverse (122111112011), we get a palindrome (232322223232).

The spelling of 110211111221 in words is "one hundred ten billion, two hundred eleven million, one hundred eleven thousand, two hundred twenty-one".