120221021220201 has 160 divisors (see below), whose sum is σ = 207954469134720. Its totient is φ = 68520612787200.

The previous prime is 120221021220163. The next prime is 120221021220217. The reversal of 120221021220201 is 102022120122021.

It is a happy number.

120221021220201 is a `hidden beast` number, since 1 + 2 + 0 + 221 + 0 + 21 + 220 + 201 = 666.

It is not a de Polignac number, because 120221021220201 - 2¹⁷ = 120221021089129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120221021224201) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 649319026 + ... + 649504148.

It is an arithmetic number, because the mean of its divisors is an integer number (1299715432092).

Almost surely, 2^{120221021220201} is an apocalyptic number.

120221021220201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120221021220201 is a deficient number, since it is larger than the sum of its proper divisors (87733447914519).

120221021220201 is a wasteful number, since it uses less digits than its factorization.

120221021220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185829 (or 185820 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120221021220201 its reverse (102022120122021), we get a palindrome (222243141342222).

The spelling of 120221021220201 in words is "one hundred twenty trillion, two hundred twenty-one billion, twenty-one million, two hundred twenty thousand, two hundred one".