22021210121219 has 8 divisors (see below), whose sum is σ = 22286645821440. Its totient is φ = 21755777276296.

The previous prime is 22021210121189. The next prime is 22021210121227. The reversal of 22021210121219 is 91212101212022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22021210121219 is a prime.

It is a super-2 number, since 2×22021210121219² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021210121249) 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, 17626742 + ... + 18834660.

It is an arithmetic number, because the mean of its divisors is an integer number (2785830727680).

Almost surely, 2^{22021210121219} is an apocalyptic number.

22021210121219 is a deficient number, since it is larger than the sum of its proper divisors (265435700221).

22021210121219 is a wasteful number, since it uses less digits than its factorization.

22021210121219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427649.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 22021210121219 in words is "twenty-two trillion, twenty-one billion, two hundred ten million, one hundred twenty-one thousand, two hundred nineteen".