120100221201 has 16 divisors (see below), whose sum is σ = 162235912320. Its totient is φ = 79020739200.

The previous prime is 120100221139. The next prime is 120100221203. The reversal of 120100221201 is 102122001021.

It is not a de Polignac number, because 120100221201 - 2¹⁵ = 120100188433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120100221203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538341 + ... + 728018.

It is an arithmetic number, because the mean of its divisors is an integer number (10139744520).

Almost surely, 2^120100221201 is an apocalyptic number.

It is an amenable number.

120100221201 is a deficient number, since it is larger than the sum of its proper divisors (42135691119).

120100221201 is a wasteful number, since it uses less digits than its factorization.

120100221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266776.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120100221201 its reverse (102122001021), we get a palindrome (222222222222).

The spelling of 120100221201 in words is "one hundred twenty billion, one hundred million, two hundred twenty-one thousand, two hundred one".