1111212102112 has 48 divisors (see below), whose sum is σ = 2500315769952. Its totient is φ = 476216893440.

The previous prime is 1111212102089. The next prime is 1111212102113. The reversal of 1111212102112 is 2112012121111.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111212102113) by changing a digit.

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, 7848912 + ... + 7989232.

It is an arithmetic number, because the mean of its divisors is an integer number (52089911874).

Almost surely, 2^{1111212102112} is an apocalyptic number.

It is an amenable number.

1111212102112 is an abundant number, since it is smaller than the sum of its proper divisors (1389103667840).

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

1111212102112 is a wasteful number, since it uses less digits than its factorization.

1111212102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175691 (or 175683 counting only the distinct ones).

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

Adding to 1111212102112 its reverse (2112012121111), we get a palindrome (3223224223223).

The spelling of 1111212102112 in words is "one trillion, one hundred eleven billion, two hundred twelve million, one hundred two thousand, one hundred twelve".