210120901101 has 48 divisors (see below), whose sum is σ = 316841324800. Its totient is φ = 134069468544.

The previous prime is 210120901099. The next prime is 210120901117. The reversal of 210120901101 is 101109021012.

It is a happy number.

210120901101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210120901101 - 2¹ = 210120901099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210120901141) 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 47 ways as a sum of consecutive naturals, for example, 5024460 + ... + 5066106.

Almost surely, 2^210120901101 is an apocalyptic number.

It is an amenable number.

210120901101 is a deficient number, since it is larger than the sum of its proper divisors (106720423699).

210120901101 is a wasteful number, since it uses less digits than its factorization.

210120901101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41938 (or 41935 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 210120901101 its reverse (101109021012), we get a palindrome (311229922113).

The spelling of 210120901101 in words is "two hundred ten billion, one hundred twenty million, nine hundred one thousand, one hundred one".