111322220212 has 24 divisors (see below), whose sum is σ = 225462728960. Its totient is φ = 47105604000.

The previous prime is 111322220209. The next prime is 111322220263. The reversal of 111322220212 is 212022223111.

It is a self number, because there is not a number n which added to its sum of digits gives 111322220212.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 25161039 + ... + 25165462.

Almost surely, 2^111322220212 is an apocalyptic number.

It is an amenable number.

111322220212 is an abundant number, since it is smaller than the sum of its proper divisors (114140508748).

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

111322220212 is a wasteful number, since it uses less digits than its factorization.

111322220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50326591 (or 50326589 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 111322220212 its reverse (212022223111), we get a palindrome (323344443323).

The spelling of 111322220212 in words is "one hundred eleven billion, three hundred twenty-two million, two hundred twenty thousand, two hundred twelve".