1020221210219 has 2 divisors, whose sum is σ = 1020221210220. Its totient is φ = 1020221210218.

The previous prime is 1020221210213. The next prime is 1020221210227. The reversal of 1020221210219 is 9120121220201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020221210219 - 2⁸ = 1020221209963 is a prime.

It is a super-2 number, since 2×1020221210219² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020221210194 and 1020221210203.

It is not a weakly prime, because it can be changed into another prime (1020221210213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510110605109 + 510110605110.

It is an arithmetic number, because the mean of its divisors is an integer number (510110605110).

Almost surely, 2^{1020221210219} is an apocalyptic number.

1020221210219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020221210219 is an equidigital number, since it uses as much as digits as its factorization.

1020221210219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 1020221210219 in words is "one trillion, twenty billion, two hundred twenty-one million, two hundred ten thousand, two hundred nineteen".