2121445004001 has 8 divisors (see below), whose sum is σ = 2830503265824. Its totient is φ = 1413341705760.

The previous prime is 2121445003943. The next prime is 2121445004033. The reversal of 2121445004001 is 1004005441212.

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

It is not a de Polignac number, because 2121445004001 - 2¹¹ = 2121445001953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121445004101) 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, 238735711 + ... + 238744596.

It is an arithmetic number, because the mean of its divisors is an integer number (353812908228).

Almost surely, 2^{2121445004001} is an apocalyptic number.

It is an amenable number.

2121445004001 is a deficient number, since it is larger than the sum of its proper divisors (709058261823).

2121445004001 is a wasteful number, since it uses less digits than its factorization.

2121445004001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477481791.

The product of its (nonzero) digits is 1280, while the sum is 24.

The spelling of 2121445004001 in words is "two trillion, one hundred twenty-one billion, four hundred forty-five million, four thousand, one".