1111222202212 has 12 divisors (see below), whose sum is σ = 1956569154736. Its totient is φ = 552202443720.

The previous prime is 1111222202203. The next prime is 1111222202267. The reversal of 1111222202212 is 2122022221111.

It is a self number, because there is not a number n which added to its sum of digits gives 1111222202212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852163614 + ... + 852164917.

Almost surely, 2^{1111222202212} is an apocalyptic number.

It is an amenable number.

1111222202212 is a deficient number, since it is larger than the sum of its proper divisors (845346952524).

1111222202212 is a wasteful number, since it uses less digits than its factorization.

1111222202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704328698 (or 1704328696 counting only the distinct ones).

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

Adding to 1111222202212 its reverse (2122022221111), we get a palindrome (3233244423323).

The spelling of 1111222202212 in words is "one trillion, one hundred eleven billion, two hundred twenty-two million, two hundred two thousand, two hundred twelve".