21219503750411 has 8 divisors (see below), whose sum is σ = 21904230835200. Its totient is φ = 20534790850920.

The previous prime is 21219503750399. The next prime is 21219503750413. The reversal of 21219503750411 is 11405730591212.

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

It is a cyclic number.

It is not a de Polignac number, because 21219503750411 - 2¹⁰ = 21219503749387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21219503750413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463751 + ... + 6531008.

It is an arithmetic number, because the mean of its divisors is an integer number (2738028854400).

Almost surely, 2^{21219503750411} is an apocalyptic number.

21219503750411 is a deficient number, since it is larger than the sum of its proper divisors (684727084789).

21219503750411 is an equidigital number, since it uses as much as digits as its factorization.

21219503750411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7092649.

The product of its (nonzero) digits is 75600, while the sum is 41.

The spelling of 21219503750411 in words is "twenty-one trillion, two hundred nineteen billion, five hundred three million, seven hundred fifty thousand, four hundred eleven".