120201022100101 has 4 divisors (see below), whose sum is σ = 121847611444012. Its totient is φ = 118554432756192.

The previous prime is 120201022100099. The next prime is 120201022100147. The reversal of 120201022100101 is 101001220102021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104684308456225 + 15516713643876 = 10231535^2 + 3939126^2 .

It is a cyclic number.

It is not a de Polignac number, because 120201022100101 - 2¹ = 120201022100099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120201022100171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823294671846 + ... + 823294671991.

It is an arithmetic number, because the mean of its divisors is an integer number (30461902861003).

Almost surely, 2^{120201022100101} is an apocalyptic number.

It is an amenable number.

120201022100101 is a deficient number, since it is larger than the sum of its proper divisors (1646589343911).

120201022100101 is an equidigital number, since it uses as much as digits as its factorization.

120201022100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646589343910.

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

Adding to 120201022100101 its reverse (101001220102021), we get a palindrome (221202242202122).

The spelling of 120201022100101 in words is "one hundred twenty trillion, two hundred one billion, twenty-two million, one hundred thousand, one hundred one".