200112112011001 has 4 divisors (see below), whose sum is σ = 200113858655092. Its totient is φ = 200110365366912.

The previous prime is 200112112010963. The next prime is 200112112011047. The reversal of 200112112011001 is 100110211211002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 132402649023225 + 67709462987776 = 11506635^2 + 8228576^2 .

It is a cyclic number.

It is not a de Polignac number, because 200112112011001 - 2¹³ = 200112112002809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200112112011101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873150180 + ... + 873379333.

It is an arithmetic number, because the mean of its divisors is an integer number (50028464663773).

Almost surely, 2^{200112112011001} is an apocalyptic number.

It is an amenable number.

200112112011001 is a deficient number, since it is larger than the sum of its proper divisors (1746644091).

200112112011001 is a wasteful number, since it uses less digits than its factorization.

200112112011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746644090.

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

Adding to 200112112011001 its reverse (100110211211002), we get a palindrome (300222323222003).

The spelling of 200112112011001 in words is "two hundred trillion, one hundred twelve billion, one hundred twelve million, eleven thousand, one".