2821011178342 has 8 divisors (see below), whose sum is σ = 4836019162896. Its totient is φ = 1209004790712.

The previous prime is 2821011178339. The next prime is 2821011178397. The reversal of 2821011178342 is 2438711101282.

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

It is a super-3 number, since 3×2821011178342³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2821011178295 and 2821011178304.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 100750399213 + ... + 100750399240.

It is an arithmetic number, because the mean of its divisors is an integer number (604502395362).

Almost surely, 2^{2821011178342} is an apocalyptic number.

2821011178342 is a deficient number, since it is larger than the sum of its proper divisors (2015007984554).

2821011178342 is a wasteful number, since it uses less digits than its factorization.

2821011178342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201500798462.

The product of its (nonzero) digits is 43008, while the sum is 40.

The spelling of 2821011178342 in words is "two trillion, eight hundred twenty-one billion, eleven million, one hundred seventy-eight thousand, three hundred forty-two".