10543233032221 has 4 divisors (see below), whose sum is σ = 10544453181244. Its totient is φ = 10542012883200.

The previous prime is 10543233032219. The next prime is 10543233032303. The reversal of 10543233032221 is 12223033234501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4783165832025 + 5760067200196 = 2187045^2 + 2400014^2 .

It is a cyclic number.

It is not a de Polignac number, because 10543233032221 - 2¹ = 10543233032219 is a prime.

It is a super-2 number, since 2×10543233032221² (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 (10543233035221) 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, 610061550 + ... + 610078831.

It is an arithmetic number, because the mean of its divisors is an integer number (2636113295311).

Almost surely, 2^{10543233032221} is an apocalyptic number.

It is an amenable number.

10543233032221 is a deficient number, since it is larger than the sum of its proper divisors (1220149023).

10543233032221 is an equidigital number, since it uses as much as digits as its factorization.

10543233032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220149022.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 10543233032221 its reverse (12223033234501), we get a palindrome (22766266266722).

The spelling of 10543233032221 in words is "ten trillion, five hundred forty-three billion, two hundred thirty-three million, thirty-two thousand, two hundred twenty-one".