210201120001121 has 4 divisors (see below), whose sum is σ = 214673484256512. Its totient is φ = 205728755745732.

The previous prime is 210201120001003. The next prime is 210201120001151. The reversal of 210201120001121 is 121100021102012.

210201120001121 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 210201120001121 - 2¹⁸ = 210201119738977 is a prime.

It is a super-2 number, since 2×210201120001121² (a number of 29 digits) contains 22 as substring.

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 = 210201120001096 and 210201120001105.

It is not an unprimeable number, because it can be changed into a prime (210201120001151) 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, 2236182127625 + ... + 2236182127718.

It is an arithmetic number, because the mean of its divisors is an integer number (53668371064128).

Almost surely, 2^{210201120001121} is an apocalyptic number.

It is an amenable number.

210201120001121 is a deficient number, since it is larger than the sum of its proper divisors (4472364255391).

210201120001121 is an equidigital number, since it uses as much as digits as its factorization.

210201120001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472364255390.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210201120001121 its reverse (121100021102012), we get a palindrome (331301141103133).

The spelling of 210201120001121 in words is "two hundred ten trillion, two hundred one billion, one hundred twenty million, one thousand, one hundred twenty-one".