120221201222109 has 24 divisors (see below), whose sum is σ = 187011211761920. Its totient is φ = 73982097950112.

The previous prime is 120221201222071. The next prime is 120221201222123. The reversal of 120221201222109 is 901222102122021.

120221201222109 is a `hidden beast` number, since 1 + 2 + 0 + 221 + 201 + 22 + 210 + 9 = 666.

It is not a de Polignac number, because 120221201222109 - 2³² = 120216906254813 is a prime.

It is a super-3 number, since 3×120221201222109³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221201222159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59845212 + ... + 61821450.

Almost surely, 2^{120221201222109} is an apocalyptic number.

It is an amenable number.

120221201222109 is a deficient number, since it is larger than the sum of its proper divisors (66790010539811).

120221201222109 is a wasteful number, since it uses less digits than its factorization.

120221201222109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496201 (or 2496198 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 120221201222109 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred one million, two hundred twenty-two thousand, one hundred nine".