200111121112 has 16 divisors (see below), whose sum is σ = 428809545360. Its totient is φ = 85761909024.

The previous prime is 200111121109. The next prime is 200111121131. The reversal of 200111121112 is 211121111002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 200111121092 and 200111121101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1786706383 + ... + 1786706494.

It is an arithmetic number, because the mean of its divisors is an integer number (26800596585).

Almost surely, 2^200111121112 is an apocalyptic number.

It is an amenable number.

200111121112 is an abundant number, since it is smaller than the sum of its proper divisors (228698424248).

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

200111121112 is a wasteful number, since it uses less digits than its factorization.

200111121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3573412890 (or 3573412886 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 200111121112 its reverse (211121111002), we get a palindrome (411232232114).

The spelling of 200111121112 in words is "two hundred billion, one hundred eleven million, one hundred twenty-one thousand, one hundred twelve".