2021220202219 has 4 divisors (see below), whose sum is σ = 2036649364200. Its totient is φ = 2005791040240.

The previous prime is 2021220202213. The next prime is 2021220202231. The reversal of 2021220202219 is 9122020221202.

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 2021220202219 - 2⁷ = 2021220202091 is a prime.

It is a super-2 number, since 2×2021220202219² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021220202193 and 2021220202202.

It is not an unprimeable number, because it can be changed into a prime (2021220202213) 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, 7714580794 + ... + 7714581055.

It is an arithmetic number, because the mean of its divisors is an integer number (509162341050).

Almost surely, 2^{2021220202219} is an apocalyptic number.

2021220202219 is a deficient number, since it is larger than the sum of its proper divisors (15429161981).

2021220202219 is a wasteful number, since it uses less digits than its factorization.

2021220202219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15429161980.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 2021220202219 in words is "two trillion, twenty-one billion, two hundred twenty million, two hundred two thousand, two hundred nineteen".