111211000221112 has 32 divisors (see below), whose sum is σ = 227529497009520. Its totient is φ = 50538798845440.

The previous prime is 111211000221109. The next prime is 111211000221119. The reversal of 111211000221112 is 211122000112111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111211000221119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145313683 + ... + 146076994.

Almost surely, 2^{111211000221112} is an apocalyptic number.

It is an amenable number.

111211000221112 is an abundant number, since it is smaller than the sum of its proper divisors (116318496788408).

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

111211000221112 is a wasteful number, since it uses less digits than its factorization.

111211000221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291395031 (or 291395027 counting only the distinct ones).

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

Adding to 111211000221112 its reverse (211122000112111), we get a palindrome (322333000333223).

The spelling of 111211000221112 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred twenty-one thousand, one hundred twelve".