1211222210068 has 24 divisors (see below), whose sum is σ = 2402829487520. Its totient is φ = 529603233120.

The previous prime is 1211222210041. The next prime is 1211222210069. The reversal of 1211222210068 is 8600122221121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211222210069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612965718 + ... + 612967693.

Almost surely, 2^{1211222210068} is an apocalyptic number.

It is an amenable number.

1211222210068 is a deficient number, since it is larger than the sum of its proper divisors (1191607277452).

1211222210068 is a wasteful number, since it uses less digits than its factorization.

1211222210068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225933447 (or 1225933445 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

Adding to 1211222210068 its reverse (8600122221121), we get a palindrome (9811344431189).

The spelling of 1211222210068 in words is "one trillion, two hundred eleven billion, two hundred twenty-two million, two hundred ten thousand, sixty-eight".