111001000011221 has 8 divisors (see below), whose sum is σ = 111022895026944. Its totient is φ = 110979105593440.

The previous prime is 111001000011089. The next prime is 111001000011263. The reversal of 111001000011221 is 122110000100111.

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-111001000011221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001050011221) 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, 609613625 + ... + 609795681.

It is an arithmetic number, because the mean of its divisors is an integer number (13877861878368).

Almost surely, 2^{111001000011221} is an apocalyptic number.

It is an amenable number.

111001000011221 is a deficient number, since it is larger than the sum of its proper divisors (21895015723).

111001000011221 is a wasteful number, since it uses less digits than its factorization.

111001000011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298971.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111001000011221 its reverse (122110000100111), we get a palindrome (233111000111332).

The spelling of 111001000011221 in words is "one hundred eleven trillion, one billion, eleven thousand, two hundred twenty-one".