1112122212102 has 72 divisors (see below), whose sum is σ = 2648837613240. Its totient is φ = 336972240000.

The previous prime is 1112122212059. The next prime is 1112122212181. The reversal of 1112122212102 is 2012122212111.

It is a super-3 number, since 3×1112122212102³ (a number of 37 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28313977 + ... + 28353227.

It is an arithmetic number, because the mean of its divisors is an integer number (36789411295).

Almost surely, 2^{1112122212102} is an apocalyptic number.

1112122212102 is an abundant number, since it is smaller than the sum of its proper divisors (1536715401138).

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

1112122212102 is a wasteful number, since it uses less digits than its factorization.

1112122212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52290 (or 52276 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1112122212102 its reverse (2012122212111), we get a palindrome (3124244424213).

Subtracting 1112122212102 from its reverse (2012122212111), we obtain a palindrome (900000000009).

The spelling of 1112122212102 in words is "one trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twelve thousand, one hundred two".