120001101201 has 12 divisors (see below), whose sum is σ = 173604504528. Its totient is φ = 79876312344.

The previous prime is 120001101179. The next prime is 120001101211. The reversal of 120001101201 is 102101100021.

It is a happy number.

It is not a de Polignac number, because 120001101201 - 2⁹ = 120001100689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (120001101211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10362375 + ... + 10373948.

It is an arithmetic number, because the mean of its divisors is an integer number (14467042044).

Almost surely, 2^120001101201 is an apocalyptic number.

It is an amenable number.

120001101201 is a deficient number, since it is larger than the sum of its proper divisors (53603403327).

120001101201 is a wasteful number, since it uses less digits than its factorization.

120001101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20736972 (or 20736969 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 120001101201 its reverse (102101100021), we get a palindrome (222102201222).

The spelling of 120001101201 in words is "one hundred twenty billion, one million, one hundred one thousand, two hundred one".