2382125510221 has 4 divisors (see below), whose sum is σ = 2522250540252. Its totient is φ = 2242000480192.

The previous prime is 2382125510189. The next prime is 2382125510243. The reversal of 2382125510221 is 1220155212832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 855939528900 + 1526185981321 = 925170^2 + 1235389^2 .

It is a cyclic number.

It is not a de Polignac number, because 2382125510221 - 2⁵ = 2382125510189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2382125511221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70062514990 + ... + 70062515023.

It is an arithmetic number, because the mean of its divisors is an integer number (630562635063).

Almost surely, 2^{2382125510221} is an apocalyptic number.

It is an amenable number.

2382125510221 is a deficient number, since it is larger than the sum of its proper divisors (140125030031).

2382125510221 is a wasteful number, since it uses less digits than its factorization.

2382125510221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140125030030.

The product of its (nonzero) digits is 19200, while the sum is 34.

The spelling of 2382125510221 in words is "two trillion, three hundred eighty-two billion, one hundred twenty-five million, five hundred ten thousand, two hundred twenty-one".