1222111000002 has 16 divisors (see below), whose sum is σ = 2444261637312. Its totient is φ = 407363727120.

The previous prime is 1222110999979. The next prime is 1222111000003. The reversal of 1222111000002 is 2000001112221.

It is a super-3 number, since 3×1222111000002³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222111000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242958 + ... + 1997289.

It is an arithmetic number, because the mean of its divisors is an integer number (152766352332).

Almost surely, 2^{1222111000002} is an apocalyptic number.

1222111000002 is an abundant number, since it is smaller than the sum of its proper divisors (1222150637310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222111000002 is a wasteful number, since it uses less digits than its factorization.

1222111000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303113.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1222111000002 its reverse (2000001112221), we get a palindrome (3222112112223).

The spelling of 1222111000002 in words is "one trillion, two hundred twenty-two billion, one hundred eleven million, two", and thus it is an aban number.