11000021021219 has 4 divisors (see below), whose sum is σ = 11578969496040. Its totient is φ = 10421072546400.

The previous prime is 11000021021053. The next prime is 11000021021239. The reversal of 11000021021219 is 91212012000011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11000021021219 - 2¹² = 11000021017123 is a prime.

It is a super-2 number, since 2×11000021021219² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11000021021219.

It is not an unprimeable number, because it can be changed into a prime (11000021021239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289474237382 + ... + 289474237419.

It is an arithmetic number, because the mean of its divisors is an integer number (2894742374010).

Almost surely, 2^{11000021021219} is an apocalyptic number.

11000021021219 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11000021021219 is a deficient number, since it is larger than the sum of its proper divisors (578948474821).

11000021021219 is an equidigital number, since it uses as much as digits as its factorization.

11000021021219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578948474820.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 11000021021219 in words is "eleven trillion, twenty-one million, twenty-one thousand, two hundred nineteen".