220002212000121 has 48 divisors (see below), whose sum is σ = 311907644078400. Its totient is φ = 137829426387840.

The previous prime is 220002212000009. The next prime is 220002212000237. The reversal of 220002212000121 is 121000212200022.

It is not a de Polignac number, because 220002212000121 - 2³¹ = 220000064516473 is a prime.

It is a super-3 number, since 3×220002212000121³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220002212000121.

It is not an unprimeable number, because it can be changed into a prime (220002212050121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52269570 + ... + 56321508.

It is an arithmetic number, because the mean of its divisors is an integer number (6498075918300).

Almost surely, 2^{220002212000121} is an apocalyptic number.

It is an amenable number.

220002212000121 is a deficient number, since it is larger than the sum of its proper divisors (91905432078279).

220002212000121 is a wasteful number, since it uses less digits than its factorization.

220002212000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4052550 (or 4052519 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220002212000121 its reverse (121000212200022), we get a palindrome (341002424200143).

The spelling of 220002212000121 in words is "two hundred twenty trillion, two billion, two hundred twelve million, one hundred twenty-one", and thus it is an aban number.