10521222013 has 8 divisors (see below), whose sum is σ = 11208405600. Its totient is φ = 9847381968.

The previous prime is 10521221941. The next prime is 10521222037. The reversal of 10521222013 is 31022212501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10521222013 is a prime.

It is a super-2 number, since 2×10521222013² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10521222053) 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, 3334258 + ... + 3337411.

It is an arithmetic number, because the mean of its divisors is an integer number (1401050700).

Almost surely, 2^10521222013 is an apocalyptic number.

It is an amenable number.

10521222013 is a deficient number, since it is larger than the sum of its proper divisors (687183587).

10521222013 is an equidigital number, since it uses as much as digits as its factorization.

10521222013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6671771.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 10521222013 its reverse (31022212501), we get a palindrome (41543434514).

The spelling of 10521222013 in words is "ten billion, five hundred twenty-one million, two hundred twenty-two thousand, thirteen".