10320521412121 has 4 divisors (see below), whose sum is σ = 10321136221392. Its totient is φ = 10319906602852.

The previous prime is 10320521412119. The next prime is 10320521412181. The reversal of 10320521412121 is 12121412502301.

10320521412121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 10320521412121 - 2¹ = 10320521412119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10320521412181) 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, 307379455 + ... + 307413028.

It is an arithmetic number, because the mean of its divisors is an integer number (2580284055348).

Almost surely, 2^{10320521412121} is an apocalyptic number.

It is an amenable number.

10320521412121 is a deficient number, since it is larger than the sum of its proper divisors (614809271).

10320521412121 is an equidigital number, since it uses as much as digits as its factorization.

10320521412121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614809270.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 10320521412121 its reverse (12121412502301), we get a palindrome (22441933914422).

The spelling of 10320521412121 in words is "ten trillion, three hundred twenty billion, five hundred twenty-one million, four hundred twelve thousand, one hundred twenty-one".