2921113191085 has 8 divisors (see below), whose sum is σ = 3526325865216. Its totient is φ = 2322897195600.

The previous prime is 2921113191047. The next prime is 2921113191091. The reversal of 2921113191085 is 5801913111292.

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

It is not a de Polignac number, because 2921113191085 - 2¹⁵ = 2921113158317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1749168741 + ... + 1749170410.

It is an arithmetic number, because the mean of its divisors is an integer number (440790733152).

Almost surely, 2^{2921113191085} is an apocalyptic number.

It is an amenable number.

2921113191085 is a deficient number, since it is larger than the sum of its proper divisors (605212674131).

2921113191085 is a wasteful number, since it uses less digits than its factorization.

2921113191085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498339323.

The product of its (nonzero) digits is 38880, while the sum is 43.

The spelling of 2921113191085 in words is "two trillion, nine hundred twenty-one billion, one hundred thirteen million, one hundred ninety-one thousand, eighty-five".