1222111200002 has 48 divisors (see below), whose sum is σ = 2349817612800. Its totient is φ = 476147188440.

The previous prime is 1222111199977. The next prime is 1222111200007. The reversal of 1222111200002 is 2000021112221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a self number, because there is not a number n which added to its sum of digits gives 1222111200002.

It is not an unprimeable number, because it can be changed into a prime (1222111200007) 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 in 23 ways as a sum of consecutive naturals, for example, 7278578 + ... + 7444589.

It is an arithmetic number, because the mean of its divisors is an integer number (48954533600).

Almost surely, 2^{1222111200002} is an apocalyptic number.

1222111200002 is a deficient number, since it is larger than the sum of its proper divisors (1127706412798).

1222111200002 is a wasteful number, since it uses less digits than its factorization.

1222111200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14723212 (or 14723187 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1222111200002 its reverse (2000021112221), we get a palindrome (3222132312223).

The spelling of 1222111200002 in words is "one trillion, two hundred twenty-two billion, one hundred eleven million, two hundred thousand, two".