1000021211219 has 8 divisors (see below), whose sum is σ = 1032889748352. Its totient is φ = 967190785920.

The previous prime is 1000021211177. The next prime is 1000021211221. The reversal of 1000021211219 is 9121121200001.

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-1000021211219 is a prime.

It is a super-2 number, since 2×1000021211219² (a number of 25 digits) contains 22 as substring.

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 1000021211219.

It is not an unprimeable number, because it can be changed into a prime (1000021211279) 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, 9474614 + ... + 9579579.

It is an arithmetic number, because the mean of its divisors is an integer number (129111218544).

Almost surely, 2^{1000021211219} is an apocalyptic number.

1000021211219 is a deficient number, since it is larger than the sum of its proper divisors (32868537133).

1000021211219 is a wasteful number, since it uses less digits than its factorization.

1000021211219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19055917.

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

The spelling of 1000021211219 in words is "one trillion, twenty-one million, two hundred eleven thousand, two hundred nineteen".