112021102122221 has 32 divisors (see below), whose sum is σ = 116637760512000. Its totient is φ = 107507917440000.

The previous prime is 112021102122037. The next prime is 112021102122239. The reversal of 112021102122221 is 122221201120211.

It is a cyclic number.

It is not a de Polignac number, because 112021102122221 - 2¹⁸ = 112021101860077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112021102122193 and 112021102122202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112021102122271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 693123380 + ... + 693284978.

It is an arithmetic number, because the mean of its divisors is an integer number (3644930016000).

Almost surely, 2^{112021102122221} is an apocalyptic number.

It is an amenable number.

112021102122221 is a deficient number, since it is larger than the sum of its proper divisors (4616658389779).

112021102122221 is a wasteful number, since it uses less digits than its factorization.

112021102122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162701.

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

Adding to 112021102122221 its reverse (122221201120211), we get a palindrome (234242303242432).

The spelling of 112021102122221 in words is "one hundred twelve trillion, twenty-one billion, one hundred two million, one hundred twenty-two thousand, two hundred twenty-one".