111002211111 has 8 divisors (see below), whose sum is σ = 161457761664. Its totient is φ = 67274067320.

The previous prime is 111002211109. The next prime is 111002211143. The reversal of 111002211111 is 111112200111.

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 111002211111 - 2¹ = 111002211109 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111002211191) 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, 1681851651 + ... + 1681851716.

It is an arithmetic number, because the mean of its divisors is an integer number (20182220208).

Almost surely, 2^111002211111 is an apocalyptic number.

111002211111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111002211111 is a deficient number, since it is larger than the sum of its proper divisors (50455550553).

111002211111 is a wasteful number, since it uses less digits than its factorization.

111002211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363703381.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111002211111 its reverse (111112200111), we get a palindrome (222114411222).

The spelling of 111002211111 in words is "one hundred eleven billion, two million, two hundred eleven thousand, one hundred eleven".