121330131010 has 64 divisors (see below), whose sum is σ = 259080923520. Its totient is φ = 40402437120.

The previous prime is 121330130947. The next prime is 121330131017. The reversal of 121330131010 is 10131033121.

It is not an unprimeable number, because it can be changed into a prime (121330131017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 807600 + ... + 945979.

It is an arithmetic number, because the mean of its divisors is an integer number (4048139430).

Almost surely, 2^121330131010 is an apocalyptic number.

121330131010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121330131010 is an abundant number, since it is smaller than the sum of its proper divisors (137750792510).

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

121330131010 is a wasteful number, since it uses less digits than its factorization.

121330131010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753651.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 121330131010 its reverse (10131033121), we get a palindrome (131461164131).

The spelling of 121330131010 in words is "one hundred twenty-one billion, three hundred thirty million, one hundred thirty-one thousand, ten".