220112012022121 has 8 divisors (see below), whose sum is σ = 224797284814464. Its totient is φ = 215426824167120.

The previous prime is 220112012022031. The next prime is 220112012022137. The reversal of 220112012022121 is 121220210211022.

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 220112012022121 - 2⁹ = 220112012021609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220112012025121) 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, 15982570 + ... + 26375491.

It is an arithmetic number, because the mean of its divisors is an integer number (28099660601808).

Almost surely, 2^{220112012022121} is an apocalyptic number.

It is an amenable number.

220112012022121 is a deficient number, since it is larger than the sum of its proper divisors (4685272792343).

220112012022121 is a wasteful number, since it uses less digits than its factorization.

220112012022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42468671.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220112012022121 its reverse (121220210211022), we get a palindrome (341332222233143).

The spelling of 220112012022121 in words is "two hundred twenty trillion, one hundred twelve billion, twelve million, twenty-two thousand, one hundred twenty-one".