376282821121 has 4 divisors (see below), whose sum is σ = 376298971092. Its totient is φ = 376266671152.

The previous prime is 376282821073. The next prime is 376282821127. The reversal of 376282821121 is 121128282673.

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 69189515521 + 307093305600 = 263039^2 + 554160^2 .

It is a cyclic number.

It is not a de Polignac number, because 376282821121 - 2²¹ = 376280723969 is a prime.

It is a super-2 number, since 2×376282821121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (376282821127) 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, 8039986 + ... + 8086651.

It is an arithmetic number, because the mean of its divisors is an integer number (94074742773).

Almost surely, 2^376282821121 is an apocalyptic number.

It is an amenable number.

376282821121 is a deficient number, since it is larger than the sum of its proper divisors (16149971).

376282821121 is a wasteful number, since it uses less digits than its factorization.

376282821121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16149970.

The product of its digits is 129024, while the sum is 43.

The spelling of 376282821121 in words is "three hundred seventy-six billion, two hundred eighty-two million, eight hundred twenty-one thousand, one hundred twenty-one".