21120221202093 has 48 divisors (see below), whose sum is σ = 32894173638144. Its totient is φ = 12981046556160.

The previous prime is 21120221202089. The next prime is 21120221202161. The reversal of 21120221202093 is 39020212202112.

21120221202093 is a `hidden beast` number, since 211 + 2 + 0 + 221 + 20 + 209 + 3 = 666.

It is not a de Polignac number, because 21120221202093 - 2² = 21120221202089 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21120221202023) by changing a digit.

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, 422100805 + ... + 422150837.

It is an arithmetic number, because the mean of its divisors is an integer number (685295284128).

Almost surely, 2^{21120221202093} is an apocalyptic number.

It is an amenable number.

21120221202093 is a deficient number, since it is larger than the sum of its proper divisors (11773952436051).

21120221202093 is a wasteful number, since it uses less digits than its factorization.

21120221202093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54426 (or 54423 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 21120221202093 in words is "twenty-one trillion, one hundred twenty billion, two hundred twenty-one million, two hundred two thousand, ninety-three".