1012021222222 has 32 divisors (see below), whose sum is σ = 1568233929600. Its totient is φ = 489622019328.

The previous prime is 1012021222213. The next prime is 1012021222237. The reversal of 1012021222222 is 2222221202101.

It is a self number, because there is not a number n which added to its sum of digits gives 1012021222222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1531404 + ... + 2090272.

It is an arithmetic number, because the mean of its divisors is an integer number (49007310300).

Almost surely, 2^{1012021222222} is an apocalyptic number.

1012021222222 is a deficient number, since it is larger than the sum of its proper divisors (556212707378).

1012021222222 is a wasteful number, since it uses less digits than its factorization.

1012021222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559180.

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

Adding to 1012021222222 its reverse (2222221202101), we get a palindrome (3234242424323).

The spelling of 1012021222222 in words is "one trillion, twelve billion, twenty-one million, two hundred twenty-two thousand, two hundred twenty-two".