200211111100121 has 16 divisors (see below), whose sum is σ = 219324676589568. Its totient is φ = 181250156432400.

The previous prime is 200211111100111. The next prime is 200211111100159. The reversal of 200211111100121 is 121001111112002.

It is a de Polignac number, because none of the positive numbers 2^k-200211111100121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200211111100096 and 200211111100105.

It is not an unprimeable number, because it can be changed into a prime (200211111100111) 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, 5227751 + ... + 20682156.

It is an arithmetic number, because the mean of its divisors is an integer number (13707792286848).

Almost surely, 2^{200211111100121} is an apocalyptic number.

It is an amenable number.

200211111100121 is a deficient number, since it is larger than the sum of its proper divisors (19113565489447).

200211111100121 is a wasteful number, since it uses less digits than its factorization.

200211111100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25912852.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 200211111100121 its reverse (121001111112002), we get a palindrome (321212222212123).

The spelling of 200211111100121 in words is "two hundred trillion, two hundred eleven billion, one hundred eleven million, one hundred thousand, one hundred twenty-one".