2121035004001 has 8 divisors (see below), whose sum is σ = 2195884370880. Its totient is φ = 2046299652432.

The previous prime is 2121035003999. The next prime is 2121035004041. The reversal of 2121035004001 is 1004005301212.

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

It is a cyclic number.

It is not a de Polignac number, because 2121035004001 - 2¹ = 2121035003999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2121035004001.

It is not an unprimeable number, because it can be changed into a prime (2121035004041) 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, 28465965 + ... + 28540378.

It is an arithmetic number, because the mean of its divisors is an integer number (274485546360).

Almost surely, 2^{2121035004001} is an apocalyptic number.

It is an amenable number.

2121035004001 is a deficient number, since it is larger than the sum of its proper divisors (74849366879).

2121035004001 is a wasteful number, since it uses less digits than its factorization.

2121035004001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57007655.

The product of its (nonzero) digits is 240, while the sum is 19.

The spelling of 2121035004001 in words is "two trillion, one hundred twenty-one billion, thirty-five million, four thousand, one".