120001010101 has 4 divisors (see below), whose sum is σ = 137144011552. Its totient is φ = 102858008652.

The previous prime is 120001010093. The next prime is 120001010119. The reversal of 120001010101 is 101010100021.

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: 101010100021 = 31601 ⋅3196421.

It is not a de Polignac number, because 120001010101 - 2³ = 120001010093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7), and also a Moran number because the ratio is a prime number: 17143001443 = 120001010101 / (1 + 2 + 0 + 0 + 0 + 1 + 0 + 1 + 0 + 1 + 0 + 1).

It is a Duffinian number.

120001010101 is a modest number, since divided by 1010101 gives 1200 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001010131) 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, 8571500715 + ... + 8571500728.

It is an arithmetic number, because the mean of its divisors is an integer number (34286002888).

Almost surely, 2^120001010101 is an apocalyptic number.

It is an amenable number.

120001010101 is a deficient number, since it is larger than the sum of its proper divisors (17143001451).

120001010101 is an equidigital number, since it uses as much as digits as its factorization.

120001010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17143001450.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 120001010101 its reverse (101010100021), we get a palindrome (221011110122).

The spelling of 120001010101 in words is "one hundred twenty billion, one million, ten thousand, one hundred one".