1112112213102 has 64 divisors (see below), whose sum is σ = 2697879571200. Its totient is φ = 336772455840.

The previous prime is 1112112213101. The next prime is 1112112213133. The reversal of 1112112213102 is 2013122112111.

It is a happy number.

1112112213102 is a `hidden beast` number, since 11 + 121 + 1 + 221 + 310 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112112213101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225028 + ... + 1508264.

It is an arithmetic number, because the mean of its divisors is an integer number (42154368300).

Almost surely, 2^{1112112213102} is an apocalyptic number.

1112112213102 is an abundant number, since it is smaller than the sum of its proper divisors (1585767358098).

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

1112112213102 is a wasteful number, since it uses less digits than its factorization.

1112112213102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284718 (or 1284712 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1112112213102 its reverse (2013122112111), we get a palindrome (3125234325213).

The spelling of 1112112213102 in words is "one trillion, one hundred twelve billion, one hundred twelve million, two hundred thirteen thousand, one hundred two".