2201022122212 has 6 divisors (see below), whose sum is σ = 3851788713878. Its totient is φ = 1100511061104.

The previous prime is 2201022122209. The next prime is 2201022122213. The reversal of 2201022122212 is 2122212201022.

It can be written as a sum of positive squares in only one way, i.e., 1950647982336 + 250374139876 = 1396656^2 + 500374^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2201022122212.

It is not an unprimeable number, because it can be changed into a prime (2201022122213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275127765273 + ... + 275127765280.

Almost surely, 2^{2201022122212} is an apocalyptic number.

It is an amenable number.

2201022122212 is a deficient number, since it is larger than the sum of its proper divisors (1650766591666).

2201022122212 is a wasteful number, since it uses less digits than its factorization.

2201022122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550255530557 (or 550255530555 counting only the distinct ones).

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

Adding to 2201022122212 its reverse (2122212201022), we get a palindrome (4323234323234).

The spelling of 2201022122212 in words is "two trillion, two hundred one billion, twenty-two million, one hundred twenty-two thousand, two hundred twelve".