120111201100001 has 2 divisors, whose sum is σ = 120111201100002. Its totient is φ = 120111201100000.

The previous prime is 120111201099997. The next prime is 120111201100061. The reversal of 120111201100001 is 100001102111021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115411189561600 + 4700011538401 = 10742960^2 + 2167951^2 .

It is a cyclic number.

It is not a de Polignac number, because 120111201100001 - 2² = 120111201099997 is a prime.

It is not a weakly prime, because it can be changed into another prime (120111201100061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055600550000 + 60055600550001.

It is an arithmetic number, because the mean of its divisors is an integer number (60055600550001).

Almost surely, 2^{120111201100001} is an apocalyptic number.

It is an amenable number.

120111201100001 is a deficient number, since it is larger than the sum of its proper divisors (1).

120111201100001 is an equidigital number, since it uses as much as digits as its factorization.

120111201100001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 120111201100001 its reverse (100001102111021), we get a palindrome (220112303211022).

The spelling of 120111201100001 in words is "one hundred twenty trillion, one hundred eleven billion, two hundred one million, one hundred thousand, one".