2021220202222 has 16 divisors (see below), whose sum is σ = 3275347868352. Its totient is φ = 929928048480.

The previous prime is 2021220202213. The next prime is 2021220202231. The reversal of 2021220202222 is 2222020221202.

It is an interprime number because it is at equal distance from previous prime (2021220202213) and next prime (2021220202231).

It is a super-2 number, since 2×2021220202222² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2021220202222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122608854 + ... + 122625337.

It is an arithmetic number, because the mean of its divisors is an integer number (204709241772).

Almost surely, 2^{2021220202222} is an apocalyptic number.

2021220202222 is a deficient number, since it is larger than the sum of its proper divisors (1254127666130).

2021220202222 is a wasteful number, since it uses less digits than its factorization.

2021220202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245234523.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 2021220202222 its reverse (2222020221202), we get a palindrome (4243240423424).

The spelling of 2021220202222 in words is "two trillion, twenty-one billion, two hundred twenty million, two hundred two thousand, two hundred twenty-two".