200111020121200 has 240 divisors, whose sum is σ = 489286301529600. Its totient is φ = 78632835240960.

The previous prime is 200111020121153. The next prime is 200111020121213. The reversal of 200111020121200 is 2121020111002.

It is a super-2 number, since 2×200111020121200² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16005034149 + ... + 16005046651.

It is an arithmetic number, because the mean of its divisors is an integer number (2038692923040).

Almost surely, 2^{200111020121200} is an apocalyptic number.

200111020121200 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 200111020121200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244643150764800).

200111020121200 is an abundant number, since it is smaller than the sum of its proper divisors (289175281408400).

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

200111020121200 is a wasteful number, since it uses less digits than its factorization.

200111020121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14184 (or 14173 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200111020121200 its reverse (2121020111002), we get a palindrome (202232040232202).

The spelling of 200111020121200 in words is "two hundred trillion, one hundred eleven billion, twenty million, one hundred twenty-one thousand, two hundred".