121431111434024 has 32 divisors (see below), whose sum is σ = 268603380134400. Its totient is φ = 50363133773760.

The previous prime is 121431111433987. The next prime is 121431111434029. The reversal of 121431111434024 is 420434111134121.

It is a super-3 number, since 3×121431111434024³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121431111434029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34974396719 + ... + 34974400190.

It is an arithmetic number, because the mean of its divisors is an integer number (8393855629200).

Almost surely, 2^{121431111434024} is an apocalyptic number.

121431111434024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121431111434024 is an abundant number, since it is smaller than the sum of its proper divisors (147172268700376).

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

121431111434024 is a wasteful number, since it uses less digits than its factorization.

121431111434024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69948796953 (or 69948796949 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

Adding to 121431111434024 its reverse (420434111134121), we get a palindrome (541865222568145).

The spelling of 121431111434024 in words is "one hundred twenty-one trillion, four hundred thirty-one billion, one hundred eleven million, four hundred thirty-four thousand, twenty-four".