21202201219 has 8 divisors (see below), whose sum is σ = 22996936368. Its totient is φ = 19468304640.

The previous prime is 21202201201. The next prime is 21202201247. The reversal of 21202201219 is 91210220212.

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 21202201219 - 2¹⁷ = 21202070147 is a prime.

It is a super-3 number, since 3×21202201219³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21202201219.

It is not an unprimeable number, because it can be changed into a prime (21202207219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15208917 + ... + 15210310.

It is an arithmetic number, because the mean of its divisors is an integer number (2874617046).

Almost surely, 2^21202201219 is an apocalyptic number.

21202201219 is a deficient number, since it is larger than the sum of its proper divisors (1794735149).

21202201219 is a wasteful number, since it uses less digits than its factorization.

21202201219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30419285.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 21202201219 in words is "twenty-one billion, two hundred two million, two hundred one thousand, two hundred nineteen".