200022100121 has 12 divisors (see below), whose sum is σ = 204835442112. Its totient is φ = 195319398456.

The previous prime is 200022100051. The next prime is 200022100177. The reversal of 200022100121 is 121001220002.

It is a happy number.

It is not a de Polignac number, because 200022100121 - 2¹⁰ = 200022099097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200022400121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8432540 + ... + 8456226.

It is an arithmetic number, because the mean of its divisors is an integer number (17069620176).

Almost surely, 2^200022100121 is an apocalyptic number.

It is an amenable number.

200022100121 is a deficient number, since it is larger than the sum of its proper divisors (4813341991).

200022100121 is an equidigital number, since it uses as much as digits as its factorization.

200022100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28340 (or 28297 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200022100121 its reverse (121001220002), we get a palindrome (321023320123).

The spelling of 200022100121 in words is "two hundred billion, twenty-two million, one hundred thousand, one hundred twenty-one".