2120101021219 has 4 divisors (see below), whose sum is σ = 2128162242096. Its totient is φ = 2112039800344.

The previous prime is 2120101021211. The next prime is 2120101021229. The reversal of 2120101021219 is 9121201010212.

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 2120101021219 - 2³ = 2120101021211 is a prime.

It is a super-2 number, since 2×2120101021219² (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 2120101021219.

It is not an unprimeable number, because it can be changed into a prime (2120101021211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4030610044 + ... + 4030610569.

It is an arithmetic number, because the mean of its divisors is an integer number (532040560524).

Almost surely, 2^{2120101021219} is an apocalyptic number.

2120101021219 is a deficient number, since it is larger than the sum of its proper divisors (8061220877).

2120101021219 is an equidigital number, since it uses as much as digits as its factorization.

2120101021219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8061220876.

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

The spelling of 2120101021219 in words is "two trillion, one hundred twenty billion, one hundred one million, twenty-one thousand, two hundred nineteen".