120221102201221 has 16 divisors (see below), whose sum is σ = 137728276689024. Its totient is φ = 102797407462464.

The previous prime is 120221102201171. The next prime is 120221102201273. The reversal of 120221102201221 is 122102201122021.

It is a cyclic number.

It is not a de Polignac number, because 120221102201221 - 2²⁹ = 120220565330309 is a prime.

It is a super-2 number, since 2×120221102201221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221102201021) 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 15 ways as a sum of consecutive naturals, for example, 7511770 + ... + 17229883.

It is an arithmetic number, because the mean of its divisors is an integer number (8608017293064).

Almost surely, 2^{120221102201221} is an apocalyptic number.

It is an amenable number.

120221102201221 is a deficient number, since it is larger than the sum of its proper divisors (17507174487803).

120221102201221 is an equidigital number, since it uses as much as digits as its factorization.

120221102201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24743340.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 120221102201221 its reverse (122102201122021), we get a palindrome (242323303323242).

The spelling of 120221102201221 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred two million, two hundred one thousand, two hundred twenty-one".