200112100122 has 64 divisors (see below), whose sum is σ = 441288622080. Its totient is φ = 59990952000.

The previous prime is 200112100117. The next prime is 200112100127. The reversal of 200112100122 is 221001211002.

It is an interprime number because it is at equal distance from previous prime (200112100117) and next prime (200112100127).

It is a super-3 number, since 3×200112100122³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200112100098 and 200112100107.

It is not an unprimeable number, because it can be changed into a prime (200112100127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8674279 + ... + 8697317.

It is an arithmetic number, because the mean of its divisors is an integer number (6895134720).

Almost surely, 2^200112100122 is an apocalyptic number.

200112100122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 200112100122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220644311040).

200112100122 is an abundant number, since it is smaller than the sum of its proper divisors (241176521958).

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

200112100122 is a wasteful number, since it uses less digits than its factorization.

200112100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24459.

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

Adding to 200112100122 its reverse (221001211002), we get a palindrome (421113311124).

The spelling of 200112100122 in words is "two hundred billion, one hundred twelve million, one hundred thousand, one hundred twenty-two".