2157302055121 has 8 divisors (see below), whose sum is σ = 2288001040704. Its totient is φ = 2029678339920.

The previous prime is 2157302055101. The next prime is 2157302055149. The reversal of 2157302055121 is 1215502037512.

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 2157302055121 - 2¹⁵ = 2157302022353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2157302055101) 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, 768816151 + ... + 768818956.

It is an arithmetic number, because the mean of its divisors is an integer number (286000130088).

Almost surely, 2^{2157302055121} is an apocalyptic number.

It is an amenable number.

2157302055121 is a deficient number, since it is larger than the sum of its proper divisors (130698985583).

2157302055121 is a wasteful number, since it uses less digits than its factorization.

2157302055121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537635191.

The product of its (nonzero) digits is 21000, while the sum is 34.

The spelling of 2157302055121 in words is "two trillion, one hundred fifty-seven billion, three hundred two million, fifty-five thousand, one hundred twenty-one".