2201022120212 has 6 divisors (see below), whose sum is σ = 3851788710378. Its totient is φ = 1100511060104.

The previous prime is 2201022120203. The next prime is 2201022120217. The reversal of 2201022120212 is 2120212201022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2034742485136 + 166279635076 = 1426444^2 + 407774^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201022120217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275127765023 + ... + 275127765030.

It is an arithmetic number, because the mean of its divisors is an integer number (641964785063).

Almost surely, 2^{2201022120212} is an apocalyptic number.

It is an amenable number.

2201022120212 is a deficient number, since it is larger than the sum of its proper divisors (1650766590166).

2201022120212 is a wasteful number, since it uses less digits than its factorization.

2201022120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550255530057 (or 550255530055 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2201022120212 its reverse (2120212201022), we get a palindrome (4321234321234).

The spelling of 2201022120212 in words is "two trillion, two hundred one billion, twenty-two million, one hundred twenty thousand, two hundred twelve".