21110200111011 has 16 divisors (see below), whose sum is σ = 30706280080128. Its totient is φ = 12793837980000.

The previous prime is 21110200110983. The next prime is 21110200111031. The reversal of 21110200111011 is 11011100201112.

It is not a de Polignac number, because 21110200111011 - 2¹⁰ = 21110200109987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21110200111031) 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, 3632676 + ... + 7444241.

It is an arithmetic number, because the mean of its divisors is an integer number (1919142505008).

Almost surely, 2^{21110200111011} is an apocalyptic number.

21110200111011 is a deficient number, since it is larger than the sum of its proper divisors (9596079969117).

21110200111011 is a wasteful number, since it uses less digits than its factorization.

21110200111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11134682.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 21110200111011 its reverse (11011100201112), we get a palindrome (32121300312123).

The spelling of 21110200111011 in words is "twenty-one trillion, one hundred ten billion, two hundred million, one hundred eleven thousand, eleven".