20220111112001 has 2 divisors, whose sum is σ = 20220111112002. Its totient is φ = 20220111112000.

The previous prime is 20220111111989. The next prime is 20220111112039. The reversal of 20220111112001 is 10021111102202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14110909089601 + 6109202022400 = 3756449^2 + 2471680^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220111112001 - 2³⁸ = 19945233205057 is a prime.

It is not a weakly prime, because it can be changed into another prime (20220119112001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110055556000 + 10110055556001.

It is an arithmetic number, because the mean of its divisors is an integer number (10110055556001).

Almost surely, 2^{20220111112001} is an apocalyptic number.

It is an amenable number.

20220111112001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220111112001 is an equidigital number, since it uses as much as digits as its factorization.

20220111112001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20220111112001 its reverse (10021111102202), we get a palindrome (30241222214203).

The spelling of 20220111112001 in words is "twenty trillion, two hundred twenty billion, one hundred eleven million, one hundred twelve thousand, one".