120201100122001 has 8 divisors (see below), whose sum is σ = 127323134525160. Its totient is φ = 113084774769408.

The previous prime is 120201100121981. The next prime is 120201100122007. The reversal of 120201100122001 is 100221001102021.

It can be written as a sum of positive squares in 4 ways, for example, as 32922624254976 + 87278475867025 = 5737824^2 + 9342295^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120201100122001 - 2⁵ = 120201100121969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120201100122007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1427219286 + ... + 1427303503.

It is an arithmetic number, because the mean of its divisors is an integer number (15915391815645).

Almost surely, 2^{120201100122001} is an apocalyptic number.

It is an amenable number.

120201100122001 is a deficient number, since it is larger than the sum of its proper divisors (7122034403159).

120201100122001 is a wasteful number, since it uses less digits than its factorization.

120201100122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854525283.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120201100122001 its reverse (100221001102021), we get a palindrome (220422101224022).

The spelling of 120201100122001 in words is "one hundred twenty trillion, two hundred one billion, one hundred million, one hundred twenty-two thousand, one".