112211221020001 has 2 divisors, whose sum is σ = 112211221020002. Its totient is φ = 112211221020000.

The previous prime is 112211221019999. The next prime is 112211221020037. The reversal of 112211221020001 is 100020122112211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100550355150400 + 11660865869601 = 10027480^2 + 3414801^2 .

It is a cyclic number.

It is not a de Polignac number, because 112211221020001 - 2¹ = 112211221019999 is a prime.

Together with 112211221019999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (112211221020071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56105610510000 + 56105610510001.

It is an arithmetic number, because the mean of its divisors is an integer number (56105610510001).

Almost surely, 2^{112211221020001} is an apocalyptic number.

It is an amenable number.

112211221020001 is a deficient number, since it is larger than the sum of its proper divisors (1).

112211221020001 is an equidigital number, since it uses as much as digits as its factorization.

112211221020001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112211221020001 its reverse (100020122112211), we get a palindrome (212231343132212).

The spelling of 112211221020001 in words is "one hundred twelve trillion, two hundred eleven billion, two hundred twenty-one million, twenty thousand, one".