20220112002001 has 2 divisors, whose sum is σ = 20220112002002. Its totient is φ = 20220112002000.

The previous prime is 20220112001989. The next prime is 20220112002029. The reversal of 20220112002001 is 10020021102202.

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., 19240504960000 + 979607042001 = 4386400^2 + 989751^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220112002001 - 2¹¹ = 20220111999953 is a prime.

It is not a weakly prime, because it can be changed into another prime (20220112002031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110056001000 + 10110056001001.

It is an arithmetic number, because the mean of its divisors is an integer number (10110056001001).

Almost surely, 2^{20220112002001} is an apocalyptic number.

It is an amenable number.

20220112002001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220112002001 is an equidigital number, since it uses as much as digits as its factorization.

20220112002001 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 13.

Adding to 20220112002001 its reverse (10020021102202), we get a palindrome (30240133104203).

The spelling of 20220112002001 in words is "twenty trillion, two hundred twenty billion, one hundred twelve million, two thousand, one".