200211000021121 has 16 divisors (see below), whose sum is σ = 204820169400000. Its totient is φ = 195644135510208.

The previous prime is 200211000021091. The next prime is 200211000021143. The reversal of 200211000021121 is 121120000112002.

It is a cyclic number.

It is not a de Polignac number, because 200211000021121 - 2¹³ = 200211000012929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200211000021161) 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, 5383255 + ... + 20722003.

It is an arithmetic number, because the mean of its divisors is an integer number (12801260587500).

Almost surely, 2^{200211000021121} is an apocalyptic number.

It is an amenable number.

200211000021121 is a deficient number, since it is larger than the sum of its proper divisors (4609169378879).

200211000021121 is a wasteful number, since it uses less digits than its factorization.

200211000021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15340128.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200211000021121 its reverse (121120000112002), we get a palindrome (321331000133123).

The spelling of 200211000021121 in words is "two hundred trillion, two hundred eleven billion, twenty-one thousand, one hundred twenty-one".