210131011321210 has 64 divisors (see below), whose sum is σ = 434706380328960. Its totient is φ = 71639645474880.

The previous prime is 210131011321181. The next prime is 210131011321249. The reversal of 210131011321210 is 12123110131012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2472057 + ... + 20648803.

It is an arithmetic number, because the mean of its divisors is an integer number (6792287192640).

Almost surely, 2^{210131011321210} is an apocalyptic number.

210131011321210 is an abundant number, since it is smaller than the sum of its proper divisors (224575369007750).

210131011321210 is a wasteful number, since it uses less digits than its factorization.

210131011321210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18177691.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 210131011321210 its reverse (12123110131012), we get a palindrome (222254121452222).

The spelling of 210131011321210 in words is "two hundred ten trillion, one hundred thirty-one billion, eleven million, three hundred twenty-one thousand, two hundred ten".