111110002212221 has 8 divisors (see below), whose sum is σ = 111153299752704. Its totient is φ = 111066706947600.

The previous prime is 111110002212203. The next prime is 111110002212227. The reversal of 111110002212221 is 122212200011111.

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 111110002212221 - 2²² = 111109998017917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111110002212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111110002212227) 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, 100587311 + ... + 101685923.

It is an arithmetic number, because the mean of its divisors is an integer number (13894162469088).

Almost surely, 2^{111110002212221} is an apocalyptic number.

It is an amenable number.

111110002212221 is a deficient number, since it is larger than the sum of its proper divisors (43297540483).

111110002212221 is a wasteful number, since it uses less digits than its factorization.

111110002212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137931.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111110002212221 its reverse (122212200011111), we get a palindrome (233322202223332).

The spelling of 111110002212221 in words is "one hundred eleven trillion, one hundred ten billion, two million, two hundred twelve thousand, two hundred twenty-one".