201123000200100 has 288 divisors, whose sum is σ = 637786291064832. Its totient is φ = 48529546560000.

The previous prime is 201123000200099. The next prime is 201123000200141. The reversal of 201123000200100 is 1002000321102.

It is a super-2 number, since 2×201123000200100² (a number of 29 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 662874430 + ... + 663177770.

It is an arithmetic number, because the mean of its divisors is an integer number (2214535732864).

Almost surely, 2^{201123000200100} is an apocalyptic number.

201123000200100 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 201123000200100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318893145532416).

201123000200100 is an abundant number, since it is smaller than the sum of its proper divisors (436663290864732).

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

201123000200100 is a wasteful number, since it uses less digits than its factorization.

201123000200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304307 (or 304300 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 201123000200100 its reverse (1002000321102), we get a palindrome (202125000521202).

The spelling of 201123000200100 in words is "two hundred one trillion, one hundred twenty-three billion, two hundred thousand, one hundred".