200211112100121 has 32 divisors (see below), whose sum is σ = 269669071152000. Its totient is φ = 132119374302720.

The previous prime is 200211112100071. The next prime is 200211112100137. The reversal of 200211112100121 is 121001211112002.

It is a happy number.

It is not a de Polignac number, because 200211112100121 - 2⁷ = 200211112099993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200211112100121.

It is not an unprimeable number, because it can be changed into a prime (200211112100161) 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, 677291611 + ... + 677587151.

It is an arithmetic number, because the mean of its divisors is an integer number (8427158473500).

Almost surely, 2^{200211112100121} is an apocalyptic number.

It is an amenable number.

200211112100121 is a deficient number, since it is larger than the sum of its proper divisors (69457959051879).

200211112100121 is a wasteful number, since it uses less digits than its factorization.

200211112100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300409.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 200211112100121 its reverse (121001211112002), we get a palindrome (321212323212123).

The spelling of 200211112100121 in words is "two hundred trillion, two hundred eleven billion, one hundred twelve million, one hundred thousand, one hundred twenty-one".