112121121212102 has 16 divisors (see below), whose sum is σ = 173982205754640. Its totient is φ = 54127078307232.

The previous prime is 112121121212101. The next prime is 112121121212147. The reversal of 112121121212102 is 201212121121211.

It is a happy number.

It is a super-2 number, since 2×112121121212102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121121212101) 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, 2493248 + ... + 15180860.

It is an arithmetic number, because the mean of its divisors is an integer number (10873887859665).

Almost surely, 2^{112121121212102} is an apocalyptic number.

112121121212102 is a deficient number, since it is larger than the sum of its proper divisors (61861084542538).

112121121212102 is a wasteful number, since it uses less digits than its factorization.

112121121212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12840007.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 112121121212102 its reverse (201212121121211), we get a palindrome (313333242333313).

The spelling of 112121121212102 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred twelve thousand, one hundred two".