111020220404212 has 48 divisors (see below), whose sum is σ = 227310626656512. Its totient is φ = 46463675500800.

The previous prime is 111020220404179. The next prime is 111020220404227. The reversal of 111020220404212 is 212404022020111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268680568 + ... + 269093455.

It is an arithmetic number, because the mean of its divisors is an integer number (4735638055344).

Almost surely, 2^{111020220404212} is an apocalyptic number.

It is an amenable number.

111020220404212 is an abundant number, since it is smaller than the sum of its proper divisors (116290406252300).

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

111020220404212 is a wasteful number, since it uses less digits than its factorization.

111020220404212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537774208 (or 537774206 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 111020220404212 its reverse (212404022020111), we get a palindrome (323424242424323).

The spelling of 111020220404212 in words is "one hundred eleven trillion, twenty billion, two hundred twenty million, four hundred four thousand, two hundred twelve".