210030213101 has 4 divisors (see below), whose sum is σ = 211957095900. Its totient is φ = 208103330304.

The previous prime is 210030213097. The next prime is 210030213109. The reversal of 210030213101 is 101312030012.

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 81775981225 + 128254231876 = 285965^2 + 358126^2 .

It is a cyclic number.

It is not a de Polignac number, because 210030213101 - 2² = 210030213097 is a prime.

It is a super-2 number, since 2×210030213101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210030213109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963441236 + ... + 963441453.

It is an arithmetic number, because the mean of its divisors is an integer number (52989273975).

Almost surely, 2^210030213101 is an apocalyptic number.

It is an amenable number.

210030213101 is a deficient number, since it is larger than the sum of its proper divisors (1926882799).

210030213101 is a wasteful number, since it uses less digits than its factorization.

210030213101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926882798.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 210030213101 its reverse (101312030012), we get a palindrome (311342243113).

The spelling of 210030213101 in words is "two hundred ten billion, thirty million, two hundred thirteen thousand, one hundred one".