2221012022212 has 24 divisors (see below), whose sum is σ = 3982925933280. Its totient is φ = 1083051627840.

The previous prime is 2221012022209. The next prime is 2221012022233. The reversal of 2221012022212 is 2122202101222.

It is a self number, because there is not a number n which added to its sum of digits gives 2221012022212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1821978 + ... + 2785969.

It is an arithmetic number, because the mean of its divisors is an integer number (165955247220).

Almost surely, 2^{2221012022212} is an apocalyptic number.

It is an amenable number.

2221012022212 is a deficient number, since it is larger than the sum of its proper divisors (1761913911068).

2221012022212 is a wasteful number, since it uses less digits than its factorization.

2221012022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4610931 (or 4610929 counting only the distinct ones).

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

Adding to 2221012022212 its reverse (2122202101222), we get a palindrome (4343214123434).

The spelling of 2221012022212 in words is "two trillion, two hundred twenty-one billion, twelve million, twenty-two thousand, two hundred twelve".