200121133116 has 48 divisors (see below), whose sum is σ = 468260199680. Its totient is φ = 66519895680.

The previous prime is 200121133019. The next prime is 200121133117. The reversal of 200121133116 is 611331121002.

200121133116 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 200121133092 and 200121133101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121133117) 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, 18109905 + ... + 18120951.

Almost surely, 2^200121133116 is an apocalyptic number.

It is an amenable number.

200121133116 is an abundant number, since it is smaller than the sum of its proper divisors (268139066564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200121133116 is a wasteful number, since it uses less digits than its factorization.

200121133116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15154 (or 15152 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 200121133116 its reverse (611331121002), we get a palindrome (811452254118).

The spelling of 200121133116 in words is "two hundred billion, one hundred twenty-one million, one hundred thirty-three thousand, one hundred sixteen".