2897270828121 has 8 divisors (see below), whose sum is σ = 3863513779200. Its totient is φ = 1931270881232.

The previous prime is 2897270828059. The next prime is 2897270828159. The reversal of 2897270828121 is 1218280727982.

2897270828121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 2897270828121 - 2⁹ = 2897270827609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2897270821121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60723225 + ... + 60770918.

It is an arithmetic number, because the mean of its divisors is an integer number (482939222400).

Almost surely, 2^{2897270828121} is an apocalyptic number.

It is an amenable number.

2897270828121 is a deficient number, since it is larger than the sum of its proper divisors (966242951079).

2897270828121 is a wasteful number, since it uses less digits than its factorization.

2897270828121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121502095.

The product of its (nonzero) digits is 3612672, while the sum is 57.

The spelling of 2897270828121 in words is "two trillion, eight hundred ninety-seven billion, two hundred seventy million, eight hundred twenty-eight thousand, one hundred twenty-one".