21010002211011 has 32 divisors (see below), whose sum is σ = 30610901933568. Its totient is φ = 12712140829440.

The previous prime is 21010002210979. The next prime is 21010002211013. The reversal of 21010002211011 is 11011220001012.

It is not a de Polignac number, because 21010002211011 - 2⁵ = 21010002210979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21010002211013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60581775 + ... + 60927591.

It is an arithmetic number, because the mean of its divisors is an integer number (956590685424).

Almost surely, 2^{21010002211011} is an apocalyptic number.

21010002211011 is a deficient number, since it is larger than the sum of its proper divisors (9600899722557).

21010002211011 is a wasteful number, since it uses less digits than its factorization.

21010002211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348891.

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

Adding to 21010002211011 its reverse (11011220001012), we get a palindrome (32021222212023).

The spelling of 21010002211011 in words is "twenty-one trillion, ten billion, two million, two hundred eleven thousand, eleven".