10521543022231 has 8 divisors (see below), whose sum is σ = 10658917140480. Its totient is φ = 10384273654872.

The previous prime is 10521543022219. The next prime is 10521543022339. The reversal of 10521543022231 is 13222034512501.

It is a happy number.

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 10521543022231 - 2⁹ = 10521543021719 is a prime.

It is a super-2 number, since 2×10521543022231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10521543022193 and 10521543022202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10521543022931) 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, 25985515 + ... + 26387308.

It is an arithmetic number, because the mean of its divisors is an integer number (1332364642560).

Almost surely, 2^{10521543022231} is an apocalyptic number.

10521543022231 is a deficient number, since it is larger than the sum of its proper divisors (137374118249).

10521543022231 is an equidigital number, since it uses as much as digits as its factorization.

10521543022231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52375445.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 10521543022231 its reverse (13222034512501), we get a palindrome (23743577534732).

The spelling of 10521543022231 in words is "ten trillion, five hundred twenty-one billion, five hundred forty-three million, twenty-two thousand, two hundred thirty-one".