112122012012221 has 32 divisors (see below), whose sum is σ = 121557849536640. Its totient is φ = 103072184377344.

The previous prime is 112122012012211. The next prime is 112122012012233. The reversal of 112122012012221 is 122210210221211.

It is a cyclic number.

It is not a de Polignac number, because 112122012012221 - 2³⁸ = 111847134105277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112122012012193 and 112122012012202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112122012012211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 784036901 + ... + 784179893.

It is an arithmetic number, because the mean of its divisors is an integer number (3798682798020).

Almost surely, 2^{112122012012221} is an apocalyptic number.

It is an amenable number.

112122012012221 is a deficient number, since it is larger than the sum of its proper divisors (9435837524419).

112122012012221 is a wasteful number, since it uses less digits than its factorization.

112122012012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149325.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 112122012012221 its reverse (122210210221211), we get a palindrome (234332222233432).

The spelling of 112122012012221 in words is "one hundred twelve trillion, one hundred twenty-two billion, twelve million, twelve thousand, two hundred twenty-one".