210102001121 has 32 divisors (see below), whose sum is σ = 229720320000. Its totient is φ = 191496647232.

The previous prime is 210102001111. The next prime is 210102001129. The reversal of 210102001121 is 121100201012.

210102001121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 210102001121 - 2²⁶ = 210034892257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210102001129) 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 31 ways as a sum of consecutive naturals, for example, 30450530 + ... + 30457428.

It is an arithmetic number, because the mean of its divisors is an integer number (7178760000).

Almost surely, 2^210102001121 is an apocalyptic number.

It is an amenable number.

210102001121 is a deficient number, since it is larger than the sum of its proper divisors (19618318879).

210102001121 is a wasteful number, since it uses less digits than its factorization.

210102001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7541.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210102001121 its reverse (121100201012), we get a palindrome (331202202133).

The spelling of 210102001121 in words is "two hundred ten billion, one hundred two million, one thousand, one hundred twenty-one".