112101212202128 has 20 divisors (see below), whose sum is σ = 228627472254960. Its totient is φ = 53100574200864.

The previous prime is 112101212202127. The next prime is 112101212202163. The reversal of 112101212202128 is 821202212101211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 112101212202097 and 112101212202106.

It is not an unprimeable number, because it can be changed into a prime (112101212202127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184376993450 + ... + 184376994057.

It is an arithmetic number, because the mean of its divisors is an integer number (11431373612748).

Almost surely, 2^{112101212202128} is an apocalyptic number.

It is an amenable number.

112101212202128 is an abundant number, since it is smaller than the sum of its proper divisors (116526260052832).

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

112101212202128 is a wasteful number, since it uses less digits than its factorization.

112101212202128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368753987534 (or 368753987528 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 26.

Adding to 112101212202128 its reverse (821202212101211), we get a palindrome (933303424303339).

The spelling of 112101212202128 in words is "one hundred twelve trillion, one hundred one billion, two hundred twelve million, two hundred two thousand, one hundred twenty-eight".