120002102101 has 8 divisors (see below), whose sum is σ = 137147359104. Its totient is φ = 102857370000.

The previous prime is 120002102093. The next prime is 120002102131. The reversal of 120002102101 is 101201200021.

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

It is not a de Polignac number, because 120002102101 - 2³ = 120002102093 is a prime.

It is a super-2 number, since 2×120002102101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120002102131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787536 + ... + 927478.

It is an arithmetic number, because the mean of its divisors is an integer number (17143419888).

Almost surely, 2^120002102101 is an apocalyptic number.

It is an amenable number.

120002102101 is a deficient number, since it is larger than the sum of its proper divisors (17145257003).

120002102101 is a wasteful number, since it uses less digits than its factorization.

120002102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262451.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120002102101 its reverse (101201200021), we get a palindrome (221203302122).

The spelling of 120002102101 in words is "one hundred twenty billion, two million, one hundred two thousand, one hundred one".