1021130219 has 2 divisors, whose sum is σ = 1021130220. Its totient is φ = 1021130218.

The previous prime is 1021130207. The next prime is 1021130233. The reversal of 1021130219 is 9120311201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021130219 is a prime.

It is a super-2 number, since 2×1021130219² = 2085413848309975922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1021130219.

It is not a weakly prime, because it can be changed into another prime (1021130119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510565109 + 510565110.

It is an arithmetic number, because the mean of its divisors is an integer number (510565110).

Almost surely, 2^1021130219 is an apocalyptic number.

1021130219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021130219 is an equidigital number, since it uses as much as digits as its factorization.

1021130219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1021130219 is about 31955.1282112903. The cubic root of 1021130219 is about 1006.9943710492.

The spelling of 1021130219 in words is "one billion, twenty-one million, one hundred thirty thousand, two hundred nineteen".