111011100021211 has 8 divisors (see below), whose sum is σ = 119550519436320. Its totient is φ = 102471695467392.

The previous prime is 111011100021203. The next prime is 111011100021247. The reversal of 111011100021211 is 112120001110111.

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 111011100021211 - 2³ = 111011100021203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111011100021191 and 111011100021200.

It is not an unprimeable number, because it can be changed into a prime (111011100021271) 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, 15467091 + ... + 21476803.

It is an arithmetic number, because the mean of its divisors is an integer number (14943814929540).

Almost surely, 2^{111011100021211} is an apocalyptic number.

111011100021211 is a deficient number, since it is larger than the sum of its proper divisors (8539419415109).

111011100021211 is a wasteful number, since it uses less digits than its factorization.

111011100021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7430645.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111011100021211 its reverse (112120001110111), we get a palindrome (223131101131322).

The spelling of 111011100021211 in words is "one hundred eleven trillion, eleven billion, one hundred million, twenty-one thousand, two hundred eleven".