201020101111013 has 16 divisors (see below), whose sum is σ = 211416679895040. Its totient is φ = 190761640667136.

The previous prime is 201020101111001. The next prime is 201020101111021. The reversal of 201020101111013 is 310111101020102.

It is not a de Polignac number, because 201020101111013 - 2⁸ = 201020101110757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020101111033) 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, 128297381 + ... + 129854757.

It is an arithmetic number, because the mean of its divisors is an integer number (13213542493440).

Almost surely, 2^{201020101111013} is an apocalyptic number.

201020101111013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

201020101111013 is a deficient number, since it is larger than the sum of its proper divisors (10396578784027).

201020101111013 is a wasteful number, since it uses less digits than its factorization.

201020101111013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601716.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 201020101111013 its reverse (310111101020102), we get a palindrome (511131202131115).

The spelling of 201020101111013 in words is "two hundred one trillion, twenty billion, one hundred one million, one hundred eleven thousand, thirteen".