210130230111 has 4 divisors (see below), whose sum is σ = 280173640152. Its totient is φ = 140086820072.

The previous prime is 210130230061. The next prime is 210130230127. The reversal of 210130230111 is 111032031012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210130230111 - 2²¹ = 210128132959 is a prime.

It is a super-2 number, since 2×210130230111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210130230811) 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, 35021705016 + ... + 35021705021.

It is an arithmetic number, because the mean of its divisors is an integer number (70043410038).

Almost surely, 2^210130230111 is an apocalyptic number.

210130230111 is a deficient number, since it is larger than the sum of its proper divisors (70043410041).

210130230111 is an equidigital number, since it uses as much as digits as its factorization.

210130230111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70043410040.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 210130230111 its reverse (111032031012), we get a palindrome (321162261123).

The spelling of 210130230111 in words is "two hundred ten billion, one hundred thirty million, two hundred thirty thousand, one hundred eleven".