121431001342110 has 32 divisors (see below), whose sum is σ = 293561661648672. Its totient is φ = 32145238310400.

The previous prime is 121431001342103. The next prime is 121431001342111. The reversal of 121431001342110 is 11243100134121.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121431001342111) 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, 14772623791 + ... + 14772632010.

It is an arithmetic number, because the mean of its divisors is an integer number (9173801926521).

Almost surely, 2^{121431001342110} is an apocalyptic number.

121431001342110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121431001342110 is an abundant number, since it is smaller than the sum of its proper divisors (172130660306562).

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

121431001342110 is a wasteful number, since it uses less digits than its factorization.

121431001342110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29545255948.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 121431001342110 its reverse (11243100134121), we get a palindrome (132674101476231).

The spelling of 121431001342110 in words is "one hundred twenty-one trillion, four hundred thirty-one billion, one million, three hundred forty-two thousand, one hundred ten".