21084913191141 has 24 divisors (see below), whose sum is σ = 31586569827904. Its totient is φ = 14055458489280.

The previous prime is 21084913191127. The next prime is 21084913191169. The reversal of 21084913191141 is 14119131948012.

21084913191141 is a `hidden beast` number, since 2 + 1 + 0 + 8 + 491 + 3 + 19 + 1 + 141 = 666.

It is not a de Polignac number, because 21084913191141 - 2²⁶ = 21084846082277 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 (21084913191101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 569641 + ... + 6518766.

Almost surely, 2^{21084913191141} is an apocalyptic number.

It is an amenable number.

21084913191141 is a deficient number, since it is larger than the sum of its proper divisors (10501656636763).

21084913191141 is an equidigital number, since it uses as much as digits as its factorization.

21084913191141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7100663 (or 7100651 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 45.

The spelling of 21084913191141 in words is "twenty-one trillion, eighty-four billion, nine hundred thirteen million, one hundred ninety-one thousand, one hundred forty-one".