1002021101219 has 2 divisors, whose sum is σ = 1002021101220. Its totient is φ = 1002021101218.

The previous prime is 1002021101209. The next prime is 1002021101227. The reversal of 1002021101219 is 9121011202001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002021101219 - 2²⁴ = 1002004324003 is a prime.

It is a super-2 number, since 2×1002021101219² (a number of 25 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 1002021101219.

It is not a weakly prime, because it can be changed into another prime (1002021101209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501010550609 + 501010550610.

It is an arithmetic number, because the mean of its divisors is an integer number (501010550610).

Almost surely, 2^{1002021101219} is an apocalyptic number.

1002021101219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002021101219 is an equidigital number, since it uses as much as digits as its factorization.

1002021101219 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 1002021101219 in words is "one trillion, two billion, twenty-one million, one hundred one thousand, two hundred nineteen".