21210201010011 has 32 divisors (see below), whose sum is σ = 32031286382592. Its totient is φ = 12393057156480.

The previous prime is 21210201009989. The next prime is 21210201010027. The reversal of 21210201010011 is 11001010201212.

It is not a de Polignac number, because 21210201010011 - 2¹⁰ = 21210201008987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21210201010111) 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, 165441495 + ... + 165569648.

It is an arithmetic number, because the mean of its divisors is an integer number (1000977699456).

Almost surely, 2^{21210201010011} is an apocalyptic number.

21210201010011 is a deficient number, since it is larger than the sum of its proper divisors (10821085372581).

21210201010011 is a wasteful number, since it uses less digits than its factorization.

21210201010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331011243.

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

Adding to 21210201010011 its reverse (11001010201212), we get a palindrome (32211211211223).

The spelling of 21210201010011 in words is "twenty-one trillion, two hundred ten billion, two hundred one million, ten thousand, eleven".