120221212100103 has 40 divisors (see below), whose sum is σ = 180529375177008. Its totient is φ = 79728247299456.

The previous prime is 120221212100071. The next prime is 120221212100159. The reversal of 120221212100103 is 301001212122021.

120221212100103 is a `hidden beast` number, since 120 + 221 + 212 + 10 + 0 + 103 = 666.

It is not a de Polignac number, because 120221212100103 - 2⁵ = 120221212100071 is a prime.

It is a super-2 number, since 2×120221212100103² (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 (120221212100183) 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 39 ways as a sum of consecutive naturals, for example, 102707700 + ... + 103871622.

Almost surely, 2^{120221212100103} is an apocalyptic number.

120221212100103 is a deficient number, since it is larger than the sum of its proper divisors (60308163076905).

120221212100103 is a wasteful number, since it uses less digits than its factorization.

120221212100103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170605 (or 1170596 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 120221212100103 its reverse (301001212122021), we get a palindrome (421222424222124).

The spelling of 120221212100103 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred twelve million, one hundred thousand, one hundred three".