1111222022212 has 12 divisors (see below), whose sum is σ = 1944674701200. Its totient is φ = 555600679016.

The previous prime is 1111222022167. The next prime is 1111222022249. The reversal of 1111222022212 is 2122202221111.

It is a self number, because there is not a number n which added to its sum of digits gives 1111222022212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2338462 + ... + 2773237.

It is an arithmetic number, because the mean of its divisors is an integer number (162056225100).

Almost surely, 2^{1111222022212} is an apocalyptic number.

It is an amenable number.

1111222022212 is a deficient number, since it is larger than the sum of its proper divisors (833452678988).

1111222022212 is a wasteful number, since it uses less digits than its factorization.

1111222022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166050 (or 5166048 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1111222022212 its reverse (2122202221111), we get a palindrome (3233424243323).

The spelling of 1111222022212 in words is "one trillion, one hundred eleven billion, two hundred twenty-two million, twenty-two thousand, two hundred twelve".