202013301100121 has 4 divisors (see below), whose sum is σ = 230872344114432. Its totient is φ = 173154258085812.

The previous prime is 202013301100099. The next prime is 202013301100133. The reversal of 202013301100121 is 121001103310202.

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 202013301100121 - 2⁴² = 197615254589017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202013301100121.

It is not an unprimeable number, because it can be changed into a prime (202013301100141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14429521507145 + ... + 14429521507158.

It is an arithmetic number, because the mean of its divisors is an integer number (57718086028608).

Almost surely, 2^{202013301100121} is an apocalyptic number.

It is an amenable number.

202013301100121 is a deficient number, since it is larger than the sum of its proper divisors (28859043014311).

202013301100121 is an equidigital number, since it uses as much as digits as its factorization.

202013301100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28859043014310.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 202013301100121 its reverse (121001103310202), we get a palindrome (323014404410323).

The spelling of 202013301100121 in words is "two hundred two trillion, thirteen billion, three hundred one million, one hundred thousand, one hundred twenty-one".