201112000201020 has 192 divisors, whose sum is σ = 590938177536000. Its totient is φ = 51006482951424.

The previous prime is 201112000201009. The next prime is 201112000201039. The reversal of 201112000201020 is 20102000211102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 201112000200987 and 201112000201005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2909614021 + ... + 2909683139.

It is an arithmetic number, because the mean of its divisors is an integer number (3077803008000).

Almost surely, 2^{201112000201020} is an apocalyptic number.

201112000201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201112000201020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295469088768000).

201112000201020 is an abundant number, since it is smaller than the sum of its proper divisors (389826177334980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201112000201020 is a wasteful number, since it uses less digits than its factorization.

201112000201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81112 (or 81110 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201112000201020 its reverse (20102000211102), we get a palindrome (221214000412122).

The spelling of 201112000201020 in words is "two hundred one trillion, one hundred twelve billion, two hundred one thousand, twenty".