200211001012121 has 6 divisors (see below), whose sum is σ = 220066637476266. Its totient is φ = 182010000920000.

The previous prime is 200211001012079. The next prime is 200211001012129. The reversal of 200211001012121 is 121210100112002.

200211001012121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 199802889577225 + 408111434896 = 14135165^2 + 638836^2 .

It is a de Polignac number, because none of the positive numbers 2^k-200211001012121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200211001012096 and 200211001012105.

It is not an unprimeable number, because it can be changed into a prime (200211001012129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 827318185880 + ... + 827318186121.

It is an arithmetic number, because the mean of its divisors is an integer number (36677772912711).

Almost surely, 2^{200211001012121} is an apocalyptic number.

It is an amenable number.

200211001012121 is a deficient number, since it is larger than the sum of its proper divisors (19855636464145).

200211001012121 is a wasteful number, since it uses less digits than its factorization.

200211001012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654636372023 (or 1654636372012 counting only the distinct ones).

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

Adding to 200211001012121 its reverse (121210100112002), we get a palindrome (321421101124123).

The spelling of 200211001012121 in words is "two hundred trillion, two hundred eleven billion, one million, twelve thousand, one hundred twenty-one".