121120002112009 has 32 divisors (see below), whose sum is σ = 125317228772736. Its totient is φ = 116992697794560.

The previous prime is 121120002111989. The next prime is 121120002112019. The reversal of 121120002112009 is 900211200021121.

It is a cyclic number.

It is not a de Polignac number, because 121120002112009 - 2¹¹ = 121120002109961 is a prime.

It is a super-2 number, since 2×121120002112009² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121120002112019) 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 31 ways as a sum of consecutive naturals, for example, 2416044874 + ... + 2416095004.

It is an arithmetic number, because the mean of its divisors is an integer number (3916163399148).

Almost surely, 2^{121120002112009} is an apocalyptic number.

It is an amenable number.

121120002112009 is a deficient number, since it is larger than the sum of its proper divisors (4197226660727).

121120002112009 is a wasteful number, since it uses less digits than its factorization.

121120002112009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51865.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 121120002112009 in words is "one hundred twenty-one trillion, one hundred twenty billion, two million, one hundred twelve thousand, nine".