216835284111 has 8 divisors (see below), whose sum is σ = 289942119600. Its totient is φ = 144142652352.

The previous prime is 216835284091. The next prime is 216835284119. The reversal of 216835284111 is 111482538612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 216835284111 - 2⁵ = 216835284079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216835284119) 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, 103549710 + ... + 103551803.

It is an arithmetic number, because the mean of its divisors is an integer number (36242764950).

Almost surely, 2^216835284111 is an apocalyptic number.

216835284111 is a deficient number, since it is larger than the sum of its proper divisors (73106835489).

216835284111 is a wasteful number, since it uses less digits than its factorization.

216835284111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207101865.

The product of its digits is 92160, while the sum is 42.

The spelling of 216835284111 in words is "two hundred sixteen billion, eight hundred thirty-five million, two hundred eighty-four thousand, one hundred eleven".