21754320743100 has 144 divisors (see below), whose sum is σ = 68666787294336. Its totient is φ = 5273602656000.

The previous prime is 21754320743069. The next prime is 21754320743143. The reversal of 21754320743100 is 134702345712.

It is a super-2 number, since 2×21754320743100² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122080267 + ... + 122258333.

It is an arithmetic number, because the mean of its divisors is an integer number (476852689544).

Almost surely, 2^{21754320743100} is an apocalyptic number.

21754320743100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21754320743100 is an abundant number, since it is smaller than the sum of its proper divisors (46912466551236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21754320743100 is a wasteful number, since it uses less digits than its factorization.

21754320743100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215116 (or 215109 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 21754320743100 in words is "twenty-one trillion, seven hundred fifty-four billion, three hundred twenty million, seven hundred forty-three thousand, one hundred".