112101221222021 has 2 divisors, whose sum is σ = 112101221222022. Its totient is φ = 112101221222020.

The previous prime is 112101221221981. The next prime is 112101221222059. The reversal of 112101221222021 is 120222122101211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76126584753025 + 35974636468996 = 8725055^2 + 5997886^2 .

It is a cyclic number.

It is not a de Polignac number, because 112101221222021 - 2⁴² = 107703174710917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112101221221984 and 112101221222002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112101221212021) 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 as a sum of consecutive naturals, namely, 56050610611010 + 56050610611011.

It is an arithmetic number, because the mean of its divisors is an integer number (56050610611011).

Almost surely, 2^{112101221222021} is an apocalyptic number.

It is an amenable number.

112101221222021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112101221222021 is an equidigital number, since it uses as much as digits as its factorization.

112101221222021 is an odious number, because the sum of its binary digits is odd.

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

Adding to 112101221222021 its reverse (120222122101211), we get a palindrome (232323343323232).

The spelling of 112101221222021 in words is "one hundred twelve trillion, one hundred one billion, two hundred twenty-one million, two hundred twenty-two thousand, twenty-one".