210110001121 has 4 divisors (see below), whose sum is σ = 211324509972. Its totient is φ = 208895492272.

The previous prime is 210110001119. The next prime is 210110001169. The reversal of 210110001121 is 121100011012.

210110001121 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.

It can be written as a sum of positive squares in 2 ways, for example, as 84323448225 + 125786552896 = 290385^2 + 354664^2 .

It is a cyclic number.

It is not a de Polignac number, because 210110001121 - 2¹ = 210110001119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210110001098 and 210110001107.

It is not an unprimeable number, because it can be changed into a prime (210110001181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607254166 + ... + 607254511.

It is an arithmetic number, because the mean of its divisors is an integer number (52831127493).

Almost surely, 2^210110001121 is an apocalyptic number.

It is an amenable number.

210110001121 is a deficient number, since it is larger than the sum of its proper divisors (1214508851).

210110001121 is a wasteful number, since it uses less digits than its factorization.

210110001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214508850.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 210110001121 its reverse (121100011012), we get a palindrome (331210012133).

The spelling of 210110001121 in words is "two hundred ten billion, one hundred ten million, one thousand, one hundred twenty-one".