2002012211222 has 4 divisors (see below), whose sum is σ = 3003018316836. Its totient is φ = 1001006105610.

The previous prime is 2002012211197. The next prime is 2002012211249. The reversal of 2002012211222 is 2221122102002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2002012211222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500503052804 + ... + 500503052807.

It is an arithmetic number, because the mean of its divisors is an integer number (750754579209).

Almost surely, 2^{2002012211222} is an apocalyptic number.

2002012211222 is a deficient number, since it is larger than the sum of its proper divisors (1001006105614).

2002012211222 is a wasteful number, since it uses less digits than its factorization.

2002012211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001006105613.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2002012211222 its reverse (2221122102002), we get a palindrome (4223134313224).

The spelling of 2002012211222 in words is "two trillion, two billion, twelve million, two hundred eleven thousand, two hundred twenty-two".