10544193771221 has 8 divisors (see below), whose sum is σ = 11813642161824. Its totient is φ = 9326559600720.

The previous prime is 10544193771203. The next prime is 10544193771337. The reversal of 10544193771221 is 12217739144501.

10544193771221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10544193771221 is a prime.

It is a super-2 number, since 2×10544193771221² (a number of 27 digits) contains 22 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 (10544193771121) 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, 12953554595 + ... + 12953555408.

It is an arithmetic number, because the mean of its divisors is an integer number (1476705270228).

Almost surely, 2^{10544193771221} is an apocalyptic number.

10544193771221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10544193771221 is a deficient number, since it is larger than the sum of its proper divisors (1269448390603).

10544193771221 is a wasteful number, since it uses less digits than its factorization.

10544193771221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25907110051.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 10544193771221 in words is "ten trillion, five hundred forty-four billion, one hundred ninety-three million, seven hundred seventy-one thousand, two hundred twenty-one".