200112111021001 has 16 divisors (see below), whose sum is σ = 202044634565760. Its totient is φ = 198188455075200.

The previous prime is 200112111020999. The next prime is 200112111021079. The reversal of 200112111021001 is 100120111211002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 200112111021001 - 2¹ = 200112111020999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200112111021101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67016290 + ... + 69938596.

It is an arithmetic number, because the mean of its divisors is an integer number (12627789660360).

Almost surely, 2^{200112111021001} is an apocalyptic number.

It is an amenable number.

200112111021001 is a deficient number, since it is larger than the sum of its proper divisors (1932523544759).

200112111021001 is a wasteful number, since it uses less digits than its factorization.

200112111021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923824.

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

Adding to 200112111021001 its reverse (100120111211002), we get a palindrome (300232222232003).

The spelling of 200112111021001 in words is "two hundred trillion, one hundred twelve billion, one hundred eleven million, twenty-one thousand, one".