10821329997241 has 3 divisors (see below), whose sum is σ = 10821333286821. Its totient is φ = 10821326707662.

The previous prime is 10821329997209. The next prime is 10821329997259. The reversal of 10821329997241 is 14279992312801.

The square root of 10821329997241 is 3289579.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 10821329997241 - 2⁵ = 10821329997209 is a prime.

It is a super-2 number, since 2×10821329997241² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10821329997281) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1644790 + ... + 4934368.

It is an arithmetic number, because the mean of its divisors is an integer number (3607111095607).

Almost surely, 2^{10821329997241} is an apocalyptic number.

10821329997241 is the 3289579-th square number.

10821329997241 is the 1644790-th centered octagonal number.

It is an amenable number.

10821329997241 is a deficient number, since it is larger than the sum of its proper divisors (3289580).

10821329997241 is an frugal number, since it uses more digits than its factorization.

10821329997241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6579158 (or 3289579 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 58.

The spelling of 10821329997241 in words is "ten trillion, eight hundred twenty-one billion, three hundred twenty-nine million, nine hundred ninety-seven thousand, two hundred forty-one".