112121212102 has 16 divisors (see below), whose sum is σ = 168577319232. Its totient is φ = 55928866240.

The previous prime is 112121212079. The next prime is 112121212103. The reversal of 112121212102 is 201212121211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121212103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2527788 + ... + 2571760.

It is an arithmetic number, because the mean of its divisors is an integer number (10536082452).

Almost surely, 2^112121212102 is an apocalyptic number.

112121212102 is a deficient number, since it is larger than the sum of its proper divisors (56456107130).

112121212102 is a wasteful number, since it uses less digits than its factorization.

112121212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46943.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112121212102 its reverse (201212121211), we get a palindrome (313333333313).

The spelling of 112121212102 in words is "one hundred twelve billion, one hundred twenty-one million, two hundred twelve thousand, one hundred two".