112121102 has 4 divisors (see below), whose sum is σ = 168181656. Its totient is φ = 56060550.

The previous prime is 112121099. The next prime is 112121117. The reversal of 112121102 is 201121211.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×112121102² = 25142283027388808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28030274 + ... + 28030277.

It is an arithmetic number, because the mean of its divisors is an integer number (42045414).

Almost surely, 2^112121102 is an apocalyptic number.

112121102 is a deficient number, since it is larger than the sum of its proper divisors (56060554).

112121102 is an equidigital number, since it uses as much as digits as its factorization.

112121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56060553.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 112121102 is about 10588.7252301682. The cubic root of 112121102 is about 482.2021242124.

Adding to 112121102 its reverse (201121211), we get a palindrome (313242313).

The spelling of 112121102 in words is "one hundred twelve million, one hundred twenty-one thousand, one hundred two".