21773032045101 has 8 divisors (see below), whose sum is σ = 32256343770560. Its totient is φ = 14515354696716.

The previous prime is 21773032045097. The next prime is 21773032045139. The reversal of 21773032045101 is 10154023037712.

21773032045101 is a `hidden beast` number, since 2 + 177 + 3 + 0 + 32 + 0 + 451 + 0 + 1 = 666.

It is not a de Polignac number, because 21773032045101 - 2² = 21773032045097 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 (21773032045151) 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, 403204297105 + ... + 403204297158.

It is an arithmetic number, because the mean of its divisors is an integer number (4032042971320).

Almost surely, 2^{21773032045101} is an apocalyptic number.

It is an amenable number.

21773032045101 is a deficient number, since it is larger than the sum of its proper divisors (10483311725459).

21773032045101 is an equidigital number, since it uses as much as digits as its factorization.

21773032045101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806408594272 (or 806408594266 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The spelling of 21773032045101 in words is "twenty-one trillion, seven hundred seventy-three billion, thirty-two million, forty-five thousand, one hundred one".