200111133021 has 16 divisors (see below), whose sum is σ = 273289228800. Its totient is φ = 130202764848.

The previous prime is 200111133011. The next prime is 200111133029. The reversal of 200111133021 is 120331111002.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-200111133021 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200111133029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4042201 + ... + 4091406.

It is an arithmetic number, because the mean of its divisors is an integer number (17080576800).

Almost surely, 2^200111133021 is an apocalyptic number.

It is an amenable number.

200111133021 is a deficient number, since it is larger than the sum of its proper divisors (73178095779).

200111133021 is a wasteful number, since it uses less digits than its factorization.

200111133021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8133808.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 200111133021 its reverse (120331111002), we get a palindrome (320442244023).

The spelling of 200111133021 in words is "two hundred billion, one hundred eleven million, one hundred thirty-three thousand, twenty-one".