20120112022201 has 2 divisors, whose sum is σ = 20120112022202. Its totient is φ = 20120112022200.

The previous prime is 20120112022189. The next prime is 20120112022249. The reversal of 20120112022201 is 10222021102102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10904491818025 + 9215620204176 = 3302195^2 + 3035724^2 .

It is a cyclic number.

It is not a de Polignac number, because 20120112022201 - 2¹¹ = 20120112020153 is a prime.

It is not a weakly prime, because it can be changed into another prime (20120112025201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060056011100 + 10060056011101.

It is an arithmetic number, because the mean of its divisors is an integer number (10060056011101).

Almost surely, 2^{20120112022201} is an apocalyptic number.

It is an amenable number.

20120112022201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120112022201 is an equidigital number, since it uses as much as digits as its factorization.

20120112022201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20120112022201 its reverse (10222021102102), we get a palindrome (30342133124303).

The spelling of 20120112022201 in words is "twenty trillion, one hundred twenty billion, one hundred twelve million, twenty-two thousand, two hundred one".