201020200111101 has 32 divisors (see below), whose sum is σ = 309358838992896. Its totient is φ = 113727876840000.

The previous prime is 201020200111007. The next prime is 201020200111117. The reversal of 201020200111101 is 101111002020102.

It is not a de Polignac number, because 201020200111101 - 2²⁹ = 201019663240189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020200110101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68364346 + ... + 71244116.

It is an arithmetic number, because the mean of its divisors is an integer number (9667463718528).

Almost surely, 2^{201020200111101} is an apocalyptic number.

201020200111101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

201020200111101 is a deficient number, since it is larger than the sum of its proper divisors (108338638881795).

201020200111101 is a wasteful number, since it uses less digits than its factorization.

201020200111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2912793.

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

Adding to 201020200111101 its reverse (101111002020102), we get a palindrome (302131202131203).

The spelling of 201020200111101 in words is "two hundred one trillion, twenty billion, two hundred million, one hundred eleven thousand, one hundred one".