221130000121 has 8 divisors (see below), whose sum is σ = 236242578080. Its totient is φ = 206364837888.

The previous prime is 221130000107. The next prime is 221130000163. The reversal of 221130000121 is 121000031122.

221130000121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221130000121 - 2⁹ = 221129999609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221130000101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86852616 + ... + 86855161.

It is an arithmetic number, because the mean of its divisors is an integer number (29530322260).

Almost surely, 2^221130000121 is an apocalyptic number.

It is an amenable number.

221130000121 is a deficient number, since it is larger than the sum of its proper divisors (15112577959).

221130000121 is a wasteful number, since it uses less digits than its factorization.

221130000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173707863.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 221130000121 its reverse (121000031122), we get a palindrome (342130031243).

The spelling of 221130000121 in words is "two hundred twenty-one billion, one hundred thirty million, one hundred twenty-one", and thus it is an aban number.