21222001120219 has 8 divisors (see below), whose sum is σ = 21694689239040. Its totient is φ = 20753079441000.

The previous prime is 21222001120141. The next prime is 21222001120247. The reversal of 21222001120219 is 91202110022212.

It is a happy number.

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 21222001120219 - 2²⁵ = 21221967565787 is a prime.

It is a super-2 number, since 2×21222001120219² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21222001120193 and 21222001120202.

It is not an unprimeable number, because it can be changed into a prime (21222001126219) 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, 941598507 + ... + 941621044.

It is an arithmetic number, because the mean of its divisors is an integer number (2711836154880).

Almost surely, 2^{21222001120219} is an apocalyptic number.

21222001120219 is a deficient number, since it is larger than the sum of its proper divisors (472688118821).

21222001120219 is a wasteful number, since it uses less digits than its factorization.

21222001120219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883219801.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 21222001120219 in words is "twenty-one trillion, two hundred twenty-two billion, one million, one hundred twenty thousand, two hundred nineteen".