111041404211221 has 8 divisors (see below), whose sum is σ = 124090615793088. Its totient is φ = 98484615708000.

The previous prime is 111041404211201. The next prime is 111041404211233. The reversal of 111041404211221 is 122112404140111.

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 111041404211221 - 2⁴³ = 102245311189013 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 (111041404211201) 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, 123105769185 + ... + 123105770086.

It is an arithmetic number, because the mean of its divisors is an integer number (15511326974136).

Almost surely, 2^{111041404211221} is an apocalyptic number.

111041404211221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111041404211221 is a deficient number, since it is larger than the sum of its proper divisors (13049211581867).

111041404211221 is a wasteful number, since it uses less digits than its factorization.

111041404211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246211539323.

The product of its (nonzero) digits is 512, while the sum is 25.

Adding to 111041404211221 its reverse (122112404140111), we get a palindrome (233153808351332).

The spelling of 111041404211221 in words is "one hundred eleven trillion, forty-one billion, four hundred four million, two hundred eleven thousand, two hundred twenty-one".