201020111100011 has 24 divisors (see below), whose sum is σ = 246154574364480. Its totient is φ = 163229402547792.

The previous prime is 201020111099987. The next prime is 201020111100019. The reversal of 201020111100011 is 110001111020102.

It is not a de Polignac number, because 201020111100011 - 2⁶ = 201020111099947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201020111099965 and 201020111100001.

It is not an unprimeable number, because it can be changed into a prime (201020111100019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27438116 + ... + 33983678.

It is an arithmetic number, because the mean of its divisors is an integer number (10256440598520).

Almost surely, 2^{201020111100011} is an apocalyptic number.

201020111100011 is a deficient number, since it is larger than the sum of its proper divisors (45134463264469).

201020111100011 is a wasteful number, since it uses less digits than its factorization.

201020111100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6578583 (or 6578576 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 201020111100011 its reverse (110001111020102), we get a palindrome (311021222120113).

The spelling of 201020111100011 in words is "two hundred one trillion, twenty billion, one hundred eleven million, one hundred thousand, eleven".