112220201021 has 2 divisors, whose sum is σ = 112220201022. Its totient is φ = 112220201020.

The previous prime is 112220201003. The next prime is 112220201039. The reversal of 112220201021 is 120102022211.

It is a balanced prime because it is at equal distance from previous prime (112220201003) and next prime (112220201039).

It can be written as a sum of positive squares in only one way, i.e., 105758292025 + 6461908996 = 325205^2 + 80386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112220201021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112220200987 and 112220201005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112220201081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110100510 + 56110100511.

It is an arithmetic number, because the mean of its divisors is an integer number (56110100511).

Almost surely, 2^112220201021 is an apocalyptic number.

It is an amenable number.

112220201021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112220201021 is an equidigital number, since it uses as much as digits as its factorization.

112220201021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112220201021 its reverse (120102022211), we get a palindrome (232322223232).

The spelling of 112220201021 in words is "one hundred twelve billion, two hundred twenty million, two hundred one thousand, twenty-one".