221120120001201 has 4 divisors (see below), whose sum is σ = 294826826668272. Its totient is φ = 147413413334132.

The previous prime is 221120120001161. The next prime is 221120120001227. The reversal of 221120120001201 is 102100021021122.

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.

It is a cyclic number.

It is not a de Polignac number, because 221120120001201 - 2¹⁰ = 221120120000177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221120120001601) 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, 36853353333531 + ... + 36853353333536.

It is an arithmetic number, because the mean of its divisors is an integer number (73706706667068).

Almost surely, 2^{221120120001201} is an apocalyptic number.

It is an amenable number.

221120120001201 is a deficient number, since it is larger than the sum of its proper divisors (73706706667071).

221120120001201 is an equidigital number, since it uses as much as digits as its factorization.

221120120001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73706706667070.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221120120001201 its reverse (102100021021122), we get a palindrome (323220141022323).

The spelling of 221120120001201 in words is "two hundred twenty-one trillion, one hundred twenty billion, one hundred twenty million, one thousand, two hundred one".