2021122022212 has 12 divisors (see below), whose sum is σ = 3585415094716. Its totient is φ = 996717709440.

The previous prime is 2021122022201. The next prime is 2021122022237. The reversal of 2021122022212 is 2122202211202.

It can be written as a sum of positive squares in 2 ways, for example, as 1048973349636 + 972148672576 = 1024194^2 + 985976^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2021122022212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3460825089 + ... + 3460825672.

Almost surely, 2^{2021122022212} is an apocalyptic number.

It is an amenable number.

2021122022212 is a deficient number, since it is larger than the sum of its proper divisors (1564293072504).

2021122022212 is a wasteful number, since it uses less digits than its factorization.

2021122022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6921650838 (or 6921650836 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2021122022212 its reverse (2122202211202), we get a palindrome (4143324233414).

The spelling of 2021122022212 in words is "two trillion, twenty-one billion, one hundred twenty-two million, twenty-two thousand, two hundred twelve".