131121000210 has 32 divisors (see below), whose sum is σ = 314802951552. Its totient is φ = 34953094400.

The previous prime is 131121000191. The next prime is 131121000251. The reversal of 131121000210 is 12000121131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 696174 + ... + 864233.

It is an arithmetic number, because the mean of its divisors is an integer number (9837592236).

Almost surely, 2^131121000210 is an apocalyptic number.

131121000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131121000210 is an abundant number, since it is smaller than the sum of its proper divisors (183681951342).

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

131121000210 is a wasteful number, since it uses less digits than its factorization.

131121000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563218.

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

Adding to 131121000210 its reverse (12000121131), we get a palindrome (143121121341).

The spelling of 131121000210 in words is "one hundred thirty-one billion, one hundred twenty-one million, two hundred ten", and thus it is an aban number.