220201100112001 has 2 divisors, whose sum is σ = 220201100112002. Its totient is φ = 220201100112000.

The previous prime is 220201100111911. The next prime is 220201100112011. The reversal of 220201100112001 is 100211001102022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218247881436225 + 1953218675776 = 14773215^2 + 1397576^2 .

It is a cyclic number.

It is not a de Polignac number, because 220201100112001 - 2¹¹ = 220201100109953 is a prime.

It is not a weakly prime, because it can be changed into another prime (220201100112011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110100550056000 + 110100550056001.

It is an arithmetic number, because the mean of its divisors is an integer number (110100550056001).

Almost surely, 2^{220201100112001} is an apocalyptic number.

It is an amenable number.

220201100112001 is a deficient number, since it is larger than the sum of its proper divisors (1).

220201100112001 is an equidigital number, since it uses as much as digits as its factorization.

220201100112001 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 13.

Adding to 220201100112001 its reverse (100211001102022), we get a palindrome (320412101214023).

The spelling of 220201100112001 in words is "two hundred twenty trillion, two hundred one billion, one hundred million, one hundred twelve thousand, one".