9101200021093 has 4 divisors (see below), whose sum is σ = 9102653196768. Its totient is φ = 9099746845420.

The previous prime is 9101200021021. The next prime is 9101200021129. The reversal of 9101200021093 is 3901200021019.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9101200021093 - 2³⁷ = 8963761067621 is a prime.

It is a super-4 number, since 4×9101200021093⁴ (a number of 53 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9101200022093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726578443 + ... + 726590968.

It is an arithmetic number, because the mean of its divisors is an integer number (2275663299192).

Almost surely, 2^{9101200021093} is an apocalyptic number.

It is an amenable number.

9101200021093 is a deficient number, since it is larger than the sum of its proper divisors (1453175675).

9101200021093 is a wasteful number, since it uses less digits than its factorization.

9101200021093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453175674.

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

The spelling of 9101200021093 in words is "nine trillion, one hundred one billion, two hundred million, twenty-one thousand, ninety-three".