201021210010011 has 16 divisors (see below), whose sum is σ = 270922150776960. Its totient is φ = 132574962992640.

The previous prime is 201021210010001. The next prime is 201021210010037. The reversal of 201021210010011 is 110010012120102.

It is not a de Polignac number, because 201021210010011 - 2³⁴ = 201004030140827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201021210010001) 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, 969692145 + ... + 969899426.

It is an arithmetic number, because the mean of its divisors is an integer number (16932634423560).

Almost surely, 2^{201021210010011} is an apocalyptic number.

201021210010011 is a deficient number, since it is larger than the sum of its proper divisors (69900940766949).

201021210010011 is a wasteful number, since it uses less digits than its factorization.

201021210010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939591946.

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

Adding to 201021210010011 its reverse (110010012120102), we get a palindrome (311031222130113).

The spelling of 201021210010011 in words is "two hundred one trillion, twenty-one billion, two hundred ten million, ten thousand, eleven".