21112332010211 has 16 divisors (see below), whose sum is σ = 22920322414080. Its totient is φ = 19330872026400.

The previous prime is 21112332010153. The next prime is 21112332010213. The reversal of 21112332010211 is 11201023321112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21112332010211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21112332010213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3172715 + ... + 7231236.

It is an arithmetic number, because the mean of its divisors is an integer number (1432520150880).

Almost surely, 2^{21112332010211} is an apocalyptic number.

21112332010211 is a deficient number, since it is larger than the sum of its proper divisors (1807990403869).

21112332010211 is a wasteful number, since it uses less digits than its factorization.

21112332010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10405226.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 21112332010211 its reverse (11201023321112), we get a palindrome (32313355331323).

The spelling of 21112332010211 in words is "twenty-one trillion, one hundred twelve billion, three hundred thirty-two million, ten thousand, two hundred eleven".