120100200221201 has 4 divisors (see below), whose sum is σ = 121338346615332. Its totient is φ = 118862053827072.

The previous prime is 120100200221153. The next prime is 120100200221233. The reversal of 120100200221201 is 102122002001021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21140500494400 + 98959699726801 = 4597880^2 + 9947849^2 .

It is a cyclic number.

It is not a de Polignac number, because 120100200221201 - 2⁶ = 120100200221137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120100200221101) 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, 619073196920 + ... + 619073197113.

It is an arithmetic number, because the mean of its divisors is an integer number (30334586653833).

Almost surely, 2^{120100200221201} is an apocalyptic number.

It is an amenable number.

120100200221201 is a deficient number, since it is larger than the sum of its proper divisors (1238146394131).

120100200221201 is an equidigital number, since it uses as much as digits as its factorization.

120100200221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238146394130.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120100200221201 its reverse (102122002001021), we get a palindrome (222222202222222).

The spelling of 120100200221201 in words is "one hundred twenty trillion, one hundred billion, two hundred million, two hundred twenty-one thousand, two hundred one".