10521512201 has 4 divisors (see below), whose sum is σ = 10524995712. Its totient is φ = 10518028692.

The previous prime is 10521512179. The next prime is 10521512203. The reversal of 10521512201 is 10221512501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10521512201 is a prime.

It is a super-2 number, since 2×10521512201² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10521512203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1737221 + ... + 1743266.

It is an arithmetic number, because the mean of its divisors is an integer number (2631248928).

Almost surely, 2^10521512201 is an apocalyptic number.

It is an amenable number.

10521512201 is a deficient number, since it is larger than the sum of its proper divisors (3483511).

10521512201 is an equidigital number, since it uses as much as digits as its factorization.

10521512201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3483510.

The product of its (nonzero) digits is 200, while the sum is 20.

The spelling of 10521512201 in words is "ten billion, five hundred twenty-one million, five hundred twelve thousand, two hundred one".