111215060212 has 6 divisors (see below), whose sum is σ = 194626355378. Its totient is φ = 55607530104.

The previous prime is 111215060183. The next prime is 111215060251. The reversal of 111215060212 is 212060512111.

It can be written as a sum of positive squares in only one way, i.e., 111211578256 + 3481956 = 333484^2 + 1866^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13901882523 + ... + 13901882530.

Almost surely, 2^111215060212 is an apocalyptic number.

It is an amenable number.

111215060212 is a deficient number, since it is larger than the sum of its proper divisors (83411295166).

111215060212 is a wasteful number, since it uses less digits than its factorization.

111215060212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27803765057 (or 27803765055 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 111215060212 its reverse (212060512111), we get a palindrome (323275572323).

The spelling of 111215060212 in words is "one hundred eleven billion, two hundred fifteen million, sixty thousand, two hundred twelve".