100120011201 has 24 divisors (see below), whose sum is σ = 171398869824. Its totient is φ = 57211434000.

The previous prime is 100120011169. The next prime is 100120011247. The reversal of 100120011201 is 102110021001.

It is a happy number.

It is not a de Polignac number, because 100120011201 - 2⁵ = 100120011169 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100120015201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29428050 + ... + 29431451.

It is an arithmetic number, because the mean of its divisors is an integer number (7141619576).

Almost surely, 2^100120011201 is an apocalyptic number.

It is an amenable number.

100120011201 is a deficient number, since it is larger than the sum of its proper divisors (71278858623).

100120011201 is an frugal number, since it uses more digits than its factorization.

100120011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58859523 (or 58859511 counting only the distinct ones).

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

Adding to 100120011201 its reverse (102110021001), we get a palindrome (202230032202).

The spelling of 100120011201 in words is "one hundred billion, one hundred twenty million, eleven thousand, two hundred one".