111100020221005 has 8 divisors (see below), whose sum is σ = 133330206885912. Its totient is φ = 88873227763008.

The previous prime is 111100020220997. The next prime is 111100020221039. The reversal of 111100020221005 is 500122020001111.

It can be written as a sum of positive squares in 4 ways, for example, as 71816370598116 + 39283649622889 = 8474454^2 + 6267667^2 .

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 111100020221005 - 2³ = 111100020220997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111100020221005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848479714 + ... + 848610643.

It is an arithmetic number, because the mean of its divisors is an integer number (16666275860739).

Almost surely, 2^{111100020221005} is an apocalyptic number.

It is an amenable number.

111100020221005 is a deficient number, since it is larger than the sum of its proper divisors (22230186664907).

111100020221005 is a wasteful number, since it uses less digits than its factorization.

111100020221005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697103455.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 111100020221005 its reverse (500122020001111), we get a palindrome (611222040222116).

The spelling of 111100020221005 in words is "one hundred eleven trillion, one hundred billion, twenty million, two hundred twenty-one thousand, five".