210121103010 has 128 divisors (see below), whose sum is σ = 637440459264. Its totient is φ = 43135027200.

The previous prime is 210121103009. The next prime is 210121103053. The reversal of 210121103010 is 10301121012.

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 63 ways as a sum of consecutive naturals, for example, 939091 + ... + 1141110.

It is an arithmetic number, because the mean of its divisors is an integer number (4980003588).

Almost surely, 2^210121103010 is an apocalyptic number.

210121103010 is an abundant number, since it is smaller than the sum of its proper divisors (427319356254).

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

210121103010 is a wasteful number, since it uses less digits than its factorization.

210121103010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080268.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 210121103010 its reverse (10301121012), we get a palindrome (220422224022).

The spelling of 210121103010 in words is "two hundred ten billion, one hundred twenty-one million, one hundred three thousand, ten".