21110002210011 has 64 divisors (see below), whose sum is σ = 35373513563136. Its totient is φ = 11000508825600.

The previous prime is 21110002209931. The next prime is 21110002210057. The reversal of 21110002210011 is 11001220001112.

It is not a de Polignac number, because 21110002210011 - 2¹⁷ = 21110002078939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21110002210411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14212975 + ... + 15627816.

It is an arithmetic number, because the mean of its divisors is an integer number (552711149424).

Almost surely, 2^{21110002210011} is an apocalyptic number.

21110002210011 is a deficient number, since it is larger than the sum of its proper divisors (14263511353125).

21110002210011 is a wasteful number, since it uses less digits than its factorization.

21110002210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29840932.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 21110002210011 its reverse (11001220001112), we get a palindrome (32111222211123).

The spelling of 21110002210011 in words is "twenty-one trillion, one hundred ten billion, two million, two hundred ten thousand, eleven".