13210132222421 has 4 divisors (see below), whose sum is σ = 13210292371500. Its totient is φ = 13209972073344.

The previous prime is 13210132222381. The next prime is 13210132222453. The reversal of 13210132222421 is 12422223101231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4094026156900 + 9116106065521 = 2023370^2 + 3019289^2 .

It is a cyclic number.

It is not a de Polignac number, because 13210132222421 - 2²² = 13210128028117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13210132221421) 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, 79950746 + ... + 80115803.

It is an arithmetic number, because the mean of its divisors is an integer number (3302573092875).

Almost surely, 2^{13210132222421} is an apocalyptic number.

It is an amenable number.

13210132222421 is a deficient number, since it is larger than the sum of its proper divisors (160149079).

13210132222421 is an equidigital number, since it uses as much as digits as its factorization.

13210132222421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160149078.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 13210132222421 its reverse (12422223101231), we get a palindrome (25632355323652).

The spelling of 13210132222421 in words is "thirteen trillion, two hundred ten billion, one hundred thirty-two million, two hundred twenty-two thousand, four hundred twenty-one".