121132112001 has 16 divisors (see below), whose sum is σ = 171115653888. Its totient is φ = 75957523200.

The previous prime is 121132111963. The next prime is 121132112011. The reversal of 121132112001 is 100211231121.

It is not a de Polignac number, because 121132112001 - 2³⁰ = 120058370177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121132112011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 649945 + ... + 815286.

It is an arithmetic number, because the mean of its divisors is an integer number (10694728368).

Almost surely, 2^121132112001 is an apocalyptic number.

It is an amenable number.

121132112001 is a deficient number, since it is larger than the sum of its proper divisors (49983541887).

121132112001 is a wasteful number, since it uses less digits than its factorization.

121132112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466872.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 121132112001 its reverse (100211231121), we get a palindrome (221343343122).

The spelling of 121132112001 in words is "one hundred twenty-one billion, one hundred thirty-two million, one hundred twelve thousand, one".