200020112101100 has 72 divisors (see below), whose sum is σ = 438962549130000. Its totient is φ = 79101506176000.

The previous prime is 200020112101087. The next prime is 200020112101129. The reversal of 200020112101100 is 1101211020002.

It is a super-2 number, since 2×200020112101100² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 92370800 + ... + 94511400.

It is an arithmetic number, because the mean of its divisors is an integer number (6096702071250).

Almost surely, 2^{200020112101100} is an apocalyptic number.

200020112101100 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 200020112101100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219481274565000).

200020112101100 is an abundant number, since it is smaller than the sum of its proper divisors (238942437028900).

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

200020112101100 is a wasteful number, since it uses less digits than its factorization.

200020112101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151203 (or 2151196 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 200020112101100 its reverse (1101211020002), we get a palindrome (201121323121102).

The spelling of 200020112101100 in words is "two hundred trillion, twenty billion, one hundred twelve million, one hundred one thousand, one hundred".