220112010020121 has 8 divisors (see below), whose sum is σ = 293487792037440. Its totient is φ = 146738784008112.

The previous prime is 220112010020069. The next prime is 220112010020129. The reversal of 220112010020121 is 121020010211022.

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

It is not a de Polignac number, because 220112010020121 - 2⁶ = 220112010020057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220112010020121.

It is not an unprimeable number, because it can be changed into a prime (220112010020129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638800381 + ... + 639144858.

It is an arithmetic number, because the mean of its divisors is an integer number (36685974004680).

Almost surely, 2^{220112010020121} is an apocalyptic number.

It is an amenable number.

220112010020121 is a deficient number, since it is larger than the sum of its proper divisors (73375782017319).

220112010020121 is a wasteful number, since it uses less digits than its factorization.

220112010020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278002655.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220112010020121 its reverse (121020010211022), we get a palindrome (341132020231143).

The spelling of 220112010020121 in words is "two hundred twenty trillion, one hundred twelve billion, ten million, twenty thousand, one hundred twenty-one".