1020212101219 has 4 divisors (see below), whose sum is σ = 1020291132960. Its totient is φ = 1020133069480.

The previous prime is 1020212101201. The next prime is 1020212101247. The reversal of 1020212101219 is 9121012120201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020212101219 - 2⁵ = 1020212101187 is a prime.

It is a super-2 number, since 2×1020212101219² (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 1020212101219.

It is not an unprimeable number, because it can be changed into a prime (1020212101019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39496504 + ... + 39522325.

It is an arithmetic number, because the mean of its divisors is an integer number (255072783240).

Almost surely, 2^{1020212101219} is an apocalyptic number.

1020212101219 is a deficient number, since it is larger than the sum of its proper divisors (79031741).

1020212101219 is an equidigital number, since it uses as much as digits as its factorization.

1020212101219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79031740.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 1020212101219 in words is "one trillion, twenty billion, two hundred twelve million, one hundred one thousand, two hundred nineteen".