200001112122 has 96 divisors (see below), whose sum is σ = 475967439360. Its totient is φ = 54867002400.

The previous prime is 200001112109. The next prime is 200001112141. The reversal of 200001112122 is 221211100002.

It is a junction number, because it is equal to n+sod(n) for n = 200001112098 and 200001112107.

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, 4559997 + ... + 4603647.

It is an arithmetic number, because the mean of its divisors is an integer number (4957994160).

Almost surely, 2^200001112122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200001112122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237983719680).

200001112122 is an abundant number, since it is smaller than the sum of its proper divisors (275966327238).

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

200001112122 is a wasteful number, since it uses less digits than its factorization.

200001112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43808 (or 43765 counting only the distinct ones).

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

Adding to 200001112122 its reverse (221211100002), we get a palindrome (421212212124).

The spelling of 200001112122 in words is "two hundred billion, one million, one hundred twelve thousand, one hundred twenty-two".