200102551121 has 4 divisors (see below), whose sum is σ = 218293692144. Its totient is φ = 181911410100.

The previous prime is 200102551081. The next prime is 200102551133. The reversal of 200102551121 is 121155201002.

200102551121 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 200102551121 - 2²² = 200098356817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200102551093 and 200102551102.

It is not an unprimeable number, because it can be changed into a prime (200102551141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9095570495 + ... + 9095570516.

It is an arithmetic number, because the mean of its divisors is an integer number (54573423036).

Almost surely, 2^200102551121 is an apocalyptic number.

It is an amenable number.

200102551121 is a deficient number, since it is larger than the sum of its proper divisors (18191141023).

200102551121 is a wasteful number, since it uses less digits than its factorization.

200102551121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18191141022.

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 200102551121 its reverse (121155201002), we get a palindrome (321257752123).

The spelling of 200102551121 in words is "two hundred billion, one hundred two million, five hundred fifty-one thousand, one hundred twenty-one".