111221021112211 has 8 divisors (see below), whose sum is σ = 116111790471600. Its totient is φ = 106400622535200.

The previous prime is 111221021112199. The next prime is 111221021112239. The reversal of 111221021112211 is 112211120122111.

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 111221021112211 - 2⁷ = 111221021112083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111221021112241) 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, 17592692365 + ... + 17592698686.

It is an arithmetic number, because the mean of its divisors is an integer number (14513973808950).

Almost surely, 2^{111221021112211} is an apocalyptic number.

111221021112211 is a deficient number, since it is larger than the sum of its proper divisors (4890769359389).

111221021112211 is a wasteful number, since it uses less digits than its factorization.

111221021112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35185391189.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 111221021112211 its reverse (112211120122111), we get a palindrome (223432141234322).

The spelling of 111221021112211 in words is "one hundred eleven trillion, two hundred twenty-one billion, twenty-one million, one hundred twelve thousand, two hundred eleven".