200101000121 has 16 divisors (see below), whose sum is σ = 220487443200. Its totient is φ = 180081024000.

The previous prime is 200101000117. The next prime is 200101000193. The reversal of 200101000121 is 121000101002.

It is a cyclic number.

It is not a de Polignac number, because 200101000121 - 2² = 200101000117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 200101000099 and 200101000108.

It is not an unprimeable number, because it can be changed into a prime (200101000321) 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, 11277785 + ... + 11295513.

It is an arithmetic number, because the mean of its divisors is an integer number (13780465200).

Almost surely, 2^200101000121 is an apocalyptic number.

It is an amenable number.

200101000121 is a deficient number, since it is larger than the sum of its proper divisors (20386443079).

200101000121 is a wasteful number, since it uses less digits than its factorization.

200101000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28000.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 200101000121 its reverse (121000101002), we get a palindrome (321101101123).

The spelling of 200101000121 in words is "two hundred billion, one hundred one million, one hundred twenty-one", and thus it is an aban number.