200211120112121 has 4 divisors (see below), whose sum is σ = 204867192672912. Its totient is φ = 195555047551332.

The previous prime is 200211120112111. The next prime is 200211120112123. The reversal of 200211120112121 is 121211021112002.

200211120112121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200211120112121 - 2²⁶ = 200211053003257 is a prime.

It is a super-2 number, since 2×200211120112121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200211120112121.

It is not an unprimeable number, because it can be changed into a prime (200211120112123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2328036280331 + ... + 2328036280416.

It is an arithmetic number, because the mean of its divisors is an integer number (51216798168228).

Almost surely, 2^{200211120112121} is an apocalyptic number.

It is an amenable number.

200211120112121 is a deficient number, since it is larger than the sum of its proper divisors (4656072560791).

200211120112121 is an equidigital number, since it uses as much as digits as its factorization.

200211120112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4656072560790.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 200211120112121 its reverse (121211021112002), we get a palindrome (321422141224123).

The spelling of 200211120112121 in words is "two hundred trillion, two hundred eleven billion, one hundred twenty million, one hundred twelve thousand, one hundred twenty-one".