2021110022212 has 24 divisors (see below), whose sum is σ = 3783606221304. Its totient is φ = 941305331712.

The previous prime is 2021110022123. The next prime is 2021110022227. The reversal of 2021110022212 is 2122200111202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 579876158016 + 1441233864196 = 761496^2 + 1200514^2 .

It is a super-2 number, since 2×2021110022212² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 153200653 + ... + 153213844.

It is an arithmetic number, because the mean of its divisors is an integer number (157650259221).

Almost surely, 2^{2021110022212} is an apocalyptic number.

It is an amenable number.

2021110022212 is a deficient number, since it is larger than the sum of its proper divisors (1762496199092).

2021110022212 is a wasteful number, since it uses less digits than its factorization.

2021110022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306414615 (or 306414613 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2021110022212 its reverse (2122200111202), we get a palindrome (4143310133414).

The spelling of 2021110022212 in words is "two trillion, twenty-one billion, one hundred ten million, twenty-two thousand, two hundred twelve".