210101232030 has 32 divisors (see below), whose sum is σ = 521630647200. Its totient is φ = 54095029632.

The previous prime is 210101231999. The next prime is 210101232053. The reversal of 210101232030 is 30232101012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120746965 + ... + 120748704.

It is an arithmetic number, because the mean of its divisors is an integer number (16300957725).

Almost surely, 2^210101232030 is an apocalyptic number.

210101232030 is an abundant number, since it is smaller than the sum of its proper divisors (311529415170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210101232030 is a wasteful number, since it uses less digits than its factorization.

210101232030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241495708.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 210101232030 its reverse (30232101012), we get a palindrome (240333333042).

The spelling of 210101232030 in words is "two hundred ten billion, one hundred one million, two hundred thirty-two thousand, thirty".