200100121220111 has 32 divisors (see below), whose sum is σ = 231404709648000. Its totient is φ = 169482213388800.

The previous prime is 200100121220101. The next prime is 200100121220117. The reversal of 200100121220111 is 111022121001002.

It is a cyclic number.

It is not a de Polignac number, because 200100121220111 - 2¹⁰ = 200100121219087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200100121220117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 864811865 + ... + 865043213.

It is an arithmetic number, because the mean of its divisors is an integer number (7231397176500).

Almost surely, 2^{200100121220111} is an apocalyptic number.

200100121220111 is a deficient number, since it is larger than the sum of its proper divisors (31304588427889).

200100121220111 is a wasteful number, since it uses less digits than its factorization.

200100121220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233859.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 200100121220111 its reverse (111022121001002), we get a palindrome (311122242221113).

The spelling of 200100121220111 in words is "two hundred trillion, one hundred billion, one hundred twenty-one million, two hundred twenty thousand, one hundred eleven".