111100002000221 has 8 divisors (see below), whose sum is σ = 120764344375584. Its totient is φ = 101595400821360.

The previous prime is 111100002000209. The next prime is 111100002000269. The reversal of 111100002000221 is 122000200001111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111100002000221 is a prime.

It is a super-2 number, since 2×111100002000221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100002005221) 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, 39935297675 + ... + 39935300456.

It is an arithmetic number, because the mean of its divisors is an integer number (15095543046948).

Almost surely, 2^{111100002000221} is an apocalyptic number.

It is an amenable number.

111100002000221 is a deficient number, since it is larger than the sum of its proper divisors (9664342375363).

111100002000221 is a wasteful number, since it uses less digits than its factorization.

111100002000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79870598251.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111100002000221 its reverse (122000200001111), we get a palindrome (233100202001332).

The spelling of 111100002000221 in words is "one hundred eleven trillion, one hundred billion, two million, two hundred twenty-one", and thus it is an aban number.