2141162720521 has 8 divisors (see below), whose sum is σ = 2437371002304. Its totient is φ = 1861880626320.

The previous prime is 2141162720491. The next prime is 2141162720537. The reversal of 2141162720521 is 1250272611412.

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

It is not a de Polignac number, because 2141162720521 - 2¹¹ = 2141162718473 is a prime.

It is a super-2 number, since 2×2141162720521² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2141162720591) 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, 4231546626 + ... + 4231547131.

It is an arithmetic number, because the mean of its divisors is an integer number (304671375288).

Almost surely, 2^{2141162720521} is an apocalyptic number.

It is an amenable number.

2141162720521 is a deficient number, since it is larger than the sum of its proper divisors (296208281783).

2141162720521 is a wasteful number, since it uses less digits than its factorization.

2141162720521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8463093791.

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 2141162720521 in words is "two trillion, one hundred forty-one billion, one hundred sixty-two million, seven hundred twenty thousand, five hundred twenty-one".