111012010112 has 16 divisors (see below), whose sum is σ = 221156739150. Its totient is φ = 55506004992.

The previous prime is 111012010001. The next prime is 111012010117. The reversal of 111012010112 is 211010210111.

It can be written as a sum of positive squares in only one way, i.e., 99335910976 + 11676099136 = 315176^2 + 108056^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 111012010093 and 111012010102.

It is not an unprimeable number, because it can be changed into a prime (111012010117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433640537 + ... + 433640792.

Almost surely, 2^111012010112 is an apocalyptic number.

It is an amenable number.

111012010112 is a deficient number, since it is larger than the sum of its proper divisors (110144729038).

111012010112 is an frugal number, since it uses more digits than its factorization.

111012010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867281343 (or 867281331 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111012010112 its reverse (211010210111), we get a palindrome (322022220223).

The spelling of 111012010112 in words is "one hundred eleven billion, twelve million, ten thousand, one hundred twelve".