10213320032021 has 16 divisors (see below), whose sum is σ = 10379117574000. Its totient is φ = 10048767019008.

The previous prime is 10213320031987. The next prime is 10213320032101. The reversal of 10213320032021 is 12023002331201.

It can be written as a sum of positive squares in 8 ways, for example, as 1496122831921 + 8717197200100 = 1223161^2 + 2952490^2 .

It is a cyclic number.

It is not a de Polignac number, because 10213320032021 - 2¹⁰ = 10213320030997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10213320031984 and 10213320032002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10213320032821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334748915 + ... + 334779423.

It is an arithmetic number, because the mean of its divisors is an integer number (648694848375).

Almost surely, 2^{10213320032021} is an apocalyptic number.

It is an amenable number.

10213320032021 is a deficient number, since it is larger than the sum of its proper divisors (165797541979).

10213320032021 is a wasteful number, since it uses less digits than its factorization.

10213320032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50728.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 10213320032021 its reverse (12023002331201), we get a palindrome (22236322363222).

The spelling of 10213320032021 in words is "ten trillion, two hundred thirteen billion, three hundred twenty million, thirty-two thousand, twenty-one".