10321210111013 has 4 divisors (see below), whose sum is σ = 10321220403468. Its totient is φ = 10321199818560.

The previous prime is 10321210111007. The next prime is 10321210111073. The reversal of 10321210111013 is 31011101212301.

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 7257754536484 + 3063455574529 = 2694022^2 + 1750273^2 .

It is a cyclic number.

It is not a de Polignac number, because 10321210111013 - 2⁶ = 10321210110949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10321210110982 and 10321210111000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321210111073) 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, 3457268 + ... + 5709213.

It is an arithmetic number, because the mean of its divisors is an integer number (2580305100867).

Almost surely, 2^{10321210111013} is an apocalyptic number.

It is an amenable number.

10321210111013 is a deficient number, since it is larger than the sum of its proper divisors (10292455).

10321210111013 is an equidigital number, since it uses as much as digits as its factorization.

10321210111013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10292454.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 10321210111013 its reverse (31011101212301), we get a palindrome (41332311323314).

The spelling of 10321210111013 in words is "ten trillion, three hundred twenty-one billion, two hundred ten million, one hundred eleven thousand, thirteen".