201200310100121 has 4 divisors (see below), whose sum is σ = 201203773218000. Its totient is φ = 201196846982244.

The previous prime is 201200310100117. The next prime is 201200310100169. The reversal of 201200310100121 is 121001013002102.

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 201200310100121 - 2² = 201200310100117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201200310100096 and 201200310100105.

It is not an unprimeable number, because it can be changed into a prime (201200310100721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1731471791 + ... + 1731587988.

It is an arithmetic number, because the mean of its divisors is an integer number (50300943304500).

Almost surely, 2^{201200310100121} is an apocalyptic number.

It is an amenable number.

201200310100121 is a deficient number, since it is larger than the sum of its proper divisors (3463117879).

201200310100121 is an equidigital number, since it uses as much as digits as its factorization.

201200310100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463117878.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 201200310100121 its reverse (121001013002102), we get a palindrome (322201323102223).

The spelling of 201200310100121 in words is "two hundred one trillion, two hundred billion, three hundred ten million, one hundred thousand, one hundred twenty-one".