10303102213021 has 4 divisors (see below), whose sum is σ = 10303111283292. Its totient is φ = 10303093142752.

The previous prime is 10303102212973. The next prime is 10303102213087. The reversal of 10303102213021 is 12031220130301.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5080899187225 + 5222203025796 = 2254085^2 + 2285214^2 .

It is a cyclic number.

It is not a de Polignac number, because 10303102213021 - 2²⁹ = 10302565342109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10303102213021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10303102213121) 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, 2538136 + ... + 5200801.

It is an arithmetic number, because the mean of its divisors is an integer number (2575777820823).

Almost surely, 2^{10303102213021} is an apocalyptic number.

It is an amenable number.

10303102213021 is a deficient number, since it is larger than the sum of its proper divisors (9070271).

10303102213021 is an equidigital number, since it uses as much as digits as its factorization.

10303102213021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9070270.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10303102213021 its reverse (12031220130301), we get a palindrome (22334322343322).

The spelling of 10303102213021 in words is "ten trillion, three hundred three billion, one hundred two million, two hundred thirteen thousand, twenty-one".