111221210002211 has 8 divisors (see below), whose sum is σ = 112302787924704. Its totient is φ = 110139665932800.

The previous prime is 111221210002139. The next prime is 111221210002213. The reversal of 111221210002211 is 112200012122111.

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-111221210002211 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 111221210002211.

It is not an unprimeable number, because it can be changed into a prime (111221210002213) 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, 1835390 + ... + 15027011.

It is an arithmetic number, because the mean of its divisors is an integer number (14037848490588).

Almost surely, 2^{111221210002211} is an apocalyptic number.

111221210002211 is a deficient number, since it is larger than the sum of its proper divisors (1081577922493).

111221210002211 is a wasteful number, since it uses less digits than its factorization.

111221210002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16926541.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111221210002211 its reverse (112200012122111), we get a palindrome (223421222124322).

The spelling of 111221210002211 in words is "one hundred eleven trillion, two hundred twenty-one billion, two hundred ten million, two thousand, two hundred eleven".