221240000111 has 8 divisors (see below), whose sum is σ = 238280855904. Its totient is φ = 204202343520.

The previous prime is 221240000081. The next prime is 221240000117. The reversal of 221240000111 is 111000042122.

It is a happy number.

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-221240000111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221240000117) 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, 655196 + ... + 933681.

It is an arithmetic number, because the mean of its divisors is an integer number (29785106988).

Almost surely, 2^221240000111 is an apocalyptic number.

221240000111 is a deficient number, since it is larger than the sum of its proper divisors (17040855793).

221240000111 is a wasteful number, since it uses less digits than its factorization.

221240000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599601.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221240000111 its reverse (111000042122), we get a palindrome (332240042233).

The spelling of 221240000111 in words is "two hundred twenty-one billion, two hundred forty million, one hundred eleven", and thus it is an aban number.