1111220112212 has 12 divisors (see below), whose sum is σ = 2222440224480. Its totient is φ = 476237190936.

The previous prime is 1111220112181. The next prime is 1111220112227. The reversal of 1111220112212 is 2122110221111.

1111220112212 is an admirable number.

It is a congruent number.

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, 19843216262 + ... + 19843216317.

It is an arithmetic number, because the mean of its divisors is an integer number (185203352040).

Almost surely, 2^{1111220112212} is an apocalyptic number.

It is an amenable number.

1111220112212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1111220112212 is a wasteful number, since it uses less digits than its factorization.

1111220112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39686432590 (or 39686432588 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1111220112212 its reverse (2122110221111), we get a palindrome (3233330333323).

The spelling of 1111220112212 in words is "one trillion, one hundred eleven billion, two hundred twenty million, one hundred twelve thousand, two hundred twelve".