131121110010 has 32 divisors (see below), whose sum is σ = 343298907072. Its totient is φ = 31786935680.

The previous prime is 131121110009. The next prime is 131121110017. The reversal of 131121110010 is 10011121131.

It is not an unprimeable number, because it can be changed into a prime (131121110017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198668019 + ... + 198668678.

It is an arithmetic number, because the mean of its divisors is an integer number (10728090846).

Almost surely, 2^131121110010 is an apocalyptic number.

131121110010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131121110010 is an abundant number, since it is smaller than the sum of its proper divisors (212177797062).

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

131121110010 is a wasteful number, since it uses less digits than its factorization.

131121110010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397336718.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 131121110010 its reverse (10011121131), we get a palindrome (141132231141).

The spelling of 131121110010 in words is "one hundred thirty-one billion, one hundred twenty-one million, one hundred ten thousand, ten".