13211100421215 has 8 divisors (see below), whose sum is σ = 21137760673968. Its totient is φ = 7045920224640.

The previous prime is 13211100421193. The next prime is 13211100421243. The reversal of 13211100421215 is 51212400111231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13211100421215 - 2⁷ = 13211100421087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440370014026 + ... + 440370014055.

It is an arithmetic number, because the mean of its divisors is an integer number (2642220084246).

Almost surely, 2^{13211100421215} is an apocalyptic number.

13211100421215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13211100421215 is a deficient number, since it is larger than the sum of its proper divisors (7926660252753).

13211100421215 is an equidigital number, since it uses as much as digits as its factorization.

13211100421215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880740028089.

The product of its (nonzero) digits is 480, while the sum is 24.

Adding to 13211100421215 its reverse (51212400111231), we get a palindrome (64423500532446).

The spelling of 13211100421215 in words is "thirteen trillion, two hundred eleven billion, one hundred million, four hundred twenty-one thousand, two hundred fifteen".