221110000011111 has 8 divisors (see below), whose sum is σ = 294863107697920. Its totient is φ = 147381779499192.

The previous prime is 221110000011071. The next prime is 221110000011137. The reversal of 221110000011111 is 111110000011122.

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

It is not a de Polignac number, because 221110000011111 - 2⁷ = 221110000010983 is a prime.

It is a Duffinian number.

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 (221110000011191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6221772991 + ... + 6221808528.

It is an arithmetic number, because the mean of its divisors is an integer number (36857888462240).

Almost surely, 2^{221110000011111} is an apocalyptic number.

221110000011111 is a deficient number, since it is larger than the sum of its proper divisors (73753107686809).

221110000011111 is a wasteful number, since it uses less digits than its factorization.

221110000011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12443587445.

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

Adding to 221110000011111 its reverse (111110000011122), we get a palindrome (332220000022233).

The spelling of 221110000011111 in words is "two hundred twenty-one trillion, one hundred ten billion, eleven thousand, one hundred eleven".