1000000021219 has 2 divisors, whose sum is σ = 1000000021220. Its totient is φ = 1000000021218.

The previous prime is 1000000021157. The next prime is 1000000021249. The reversal of 1000000021219 is 9121200000001.

1000000021219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000000021219 - 2¹¹ = 1000000019171 is a prime.

It is a super-2 number, since 2×1000000021219² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1000000021249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500000010609 + 500000010610.

It is an arithmetic number, because the mean of its divisors is an integer number (500000010610).

Almost surely, 2^{1000000021219} is an apocalyptic number.

1000000021219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000000021219 is an equidigital number, since it uses as much as digits as its factorization.

1000000021219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 1000000021219 in words is "one trillion, twenty-one thousand, two hundred nineteen".