21131121301093 has 8 divisors (see below), whose sum is σ = 21319041894336. Its totient is φ = 20943216840000.

The previous prime is 21131121301063. The next prime is 21131121301097. The reversal of 21131121301093 is 39010312113112.

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

It is a cyclic number.

It is not a de Polignac number, because 21131121301093 - 2³⁷ = 20993682347621 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 (21131121301097) 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, 1393993 + ... + 6648718.

It is an arithmetic number, because the mean of its divisors is an integer number (2664880236792).

Almost surely, 2^{21131121301093} is an apocalyptic number.

It is an amenable number.

21131121301093 is a deficient number, since it is larger than the sum of its proper divisors (187920593243).

21131121301093 is a wasteful number, since it uses less digits than its factorization.

21131121301093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8066075.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 21131121301093 in words is "twenty-one trillion, one hundred thirty-one billion, one hundred twenty-one million, three hundred one thousand, ninety-three".