120002101 has 4 divisors (see below), whose sum is σ = 120133600. Its totient is φ = 119870604.

The previous prime is 120002089. The next prime is 120002111. The reversal of 120002101 is 101200021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101200021 = 13 ⋅7784617.

It is a cyclic number.

It is not a de Polignac number, because 120002101 - 2¹¹ = 120000053 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 (120002111) 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, 64371 + ... + 66208.

It is an arithmetic number, because the mean of its divisors is an integer number (30033400).

Almost surely, 2^120002101 is an apocalyptic number.

It is an amenable number.

120002101 is a deficient number, since it is larger than the sum of its proper divisors (131499).

120002101 is an equidigital number, since it uses as much as digits as its factorization.

120002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131498.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 120002101 is about 10954.5470467747. The cubic root of 120002101 is about 493.2452934668.

Adding to 120002101 its reverse (101200021), we get a palindrome (221202122).

The spelling of 120002101 in words is "one hundred twenty million, two thousand, one hundred one".