111121110012212 has 24 divisors (see below), whose sum is σ = 196806670225536. Its totient is φ = 54890645136768.

The previous prime is 111121110012191. The next prime is 111121110012233. The reversal of 111121110012212 is 212210011121111.

111121110012212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (111121110012191) and next prime (111121110012233).

It is a super-2 number, since 2×111121110012212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35926988 + ... + 38897180.

It is an arithmetic number, because the mean of its divisors is an integer number (8200277926064).

Almost surely, 2^{111121110012212} is an apocalyptic number.

It is an amenable number.

111121110012212 is a deficient number, since it is larger than the sum of its proper divisors (85685560213324).

111121110012212 is a wasteful number, since it uses less digits than its factorization.

111121110012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3082967 (or 3082965 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111121110012212 its reverse (212210011121111), we get a palindrome (323331121133323).

The spelling of 111121110012212 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred ten million, twelve thousand, two hundred twelve".