1110000111221 has 8 divisors (see below), whose sum is σ = 1133773908480. Its totient is φ = 1086232846288.

The previous prime is 1110000111217. The next prime is 1110000111277. The reversal of 1110000111221 is 1221110000111.

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 1110000111221 - 2² = 1110000111217 is a prime.

It is a super-3 number, since 3×1110000111221³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110000114221) 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, 1288826 + ... + 1970043.

It is an arithmetic number, because the mean of its divisors is an integer number (141721738560).

Almost surely, 2^{1110000111221} is an apocalyptic number.

It is an amenable number.

1110000111221 is a deficient number, since it is larger than the sum of its proper divisors (23773797259).

1110000111221 is an equidigital number, since it uses as much as digits as its factorization.

1110000111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266163.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1110000111221 its reverse (1221110000111), we get a palindrome (2331110111332).

It can be divided in two parts, 1110000 and 111221, that added together give a palindrome (1221221).

The spelling of 1110000111221 in words is "one trillion, one hundred ten billion, one hundred eleven thousand, two hundred twenty-one".