121111132012032 has 40 divisors (see below), whose sum is σ = 322647625129896. Its totient is φ = 40370377336832.

The previous prime is 121111132012027. The next prime is 121111132012033. The reversal of 121111132012032 is 230210231111121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121111132012033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39424195083 + ... + 39424198154.

Almost surely, 2^{121111132012032} is an apocalyptic number.

121111132012032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121111132012032 is an abundant number, since it is smaller than the sum of its proper divisors (201536493117864).

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

121111132012032 is an frugal number, since it uses more digits than its factorization.

121111132012032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78848393258 (or 78848393242 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 121111132012032 its reverse (230210231111121), we get a palindrome (351321363123153).

The spelling of 121111132012032 in words is "one hundred twenty-one trillion, one hundred eleven billion, one hundred thirty-two million, twelve thousand, thirty-two".