10521440331101 has 8 divisors (see below), whose sum is σ = 12024522866880. Its totient is φ = 9018362703168.

The previous prime is 10521440331049. The next prime is 10521440331163. The reversal of 10521440331101 is 10113304412501.

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

It is not a de Polignac number, because 10521440331101 - 2³⁴ = 10504260461917 is a prime.

It is a super-2 number, since 2×10521440331101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10521440331191) 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, 7610645 + ... + 8886213.

It is an arithmetic number, because the mean of its divisors is an integer number (1503065358360).

Almost surely, 2^{10521440331101} is an apocalyptic number.

It is an amenable number.

10521440331101 is a deficient number, since it is larger than the sum of its proper divisors (1503082535779).

10521440331101 is a wasteful number, since it uses less digits than its factorization.

10521440331101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453923.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 10521440331101 its reverse (10113304412501), we get a palindrome (20634744743602).

The spelling of 10521440331101 in words is "ten trillion, five hundred twenty-one billion, four hundred forty million, three hundred thirty-one thousand, one hundred one".