121112002122001 has 8 divisors (see below), whose sum is σ = 132806755037664. Its totient is φ = 109531344357120.

The previous prime is 121112002121959. The next prime is 121112002122017. The reversal of 121112002122001 is 100221200211121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121112002122001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121112002122301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28523785471 + ... + 28523789716.

It is an arithmetic number, because the mean of its divisors is an integer number (16600844379708).

Almost surely, 2^{121112002122001} is an apocalyptic number.

121112002122001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121112002122001 is a deficient number, since it is larger than the sum of its proper divisors (11694752915663).

121112002122001 is a wasteful number, since it uses less digits than its factorization.

121112002122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57047575391.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121112002122001 its reverse (100221200211121), we get a palindrome (221333202333122).

The spelling of 121112002122001 in words is "one hundred twenty-one trillion, one hundred twelve billion, two million, one hundred twenty-two thousand, one".