120100101 has 8 divisors (see below), whose sum is σ = 174691104. Its totient is φ = 72787920.

The previous prime is 120100081. The next prime is 120100103. The reversal of 120100101 is 101001021.

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

It is not a de Polignac number, because 120100101 - 2⁵ = 120100069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120100101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1819666 + ... + 1819731.

It is an arithmetic number, because the mean of its divisors is an integer number (21836388).

Almost surely, 2^120100101 is an apocalyptic number.

120100101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120100101 is a deficient number, since it is larger than the sum of its proper divisors (54591003).

120100101 is a wasteful number, since it uses less digits than its factorization.

120100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639411.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 120100101 is about 10959.0191623156. The cubic root of 120100101 is about 493.3795269118.

Adding to 120100101 its reverse (101001021), we get a palindrome (221101122).

It can be divided in two parts, 1 and 20100101, that added together give a palindrome (20100102).

The spelling of 120100101 in words is "one hundred twenty million, one hundred thousand, one hundred one".