22212212000121 has 192 divisors, whose sum is σ = 39368697984000. Its totient is φ = 12294089280000.

The previous prime is 22212212000081. The next prime is 22212212000123. The reversal of 22212212000121 is 12100021221222.

It is a happy number.

22212212000121 is a `hidden beast` number, since 2 + 221 + 221 + 200 + 0 + 1 + 21 = 666.

It is not a de Polignac number, because 22212212000121 - 2⁶ = 22212212000057 is a prime.

It is a super-3 number, since 3×22212212000121³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22212212000094 and 22212212000103.

It is not an unprimeable number, because it can be changed into a prime (22212212000123) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3476630395 + ... + 3476636783.

It is an arithmetic number, because the mean of its divisors is an integer number (205045302000).

Almost surely, 2^{22212212000121} is an apocalyptic number.

It is an amenable number.

22212212000121 is a deficient number, since it is larger than the sum of its proper divisors (17156485983879).

22212212000121 is a wasteful number, since it uses less digits than its factorization.

22212212000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7293 (or 7276 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22212212000121 its reverse (12100021221222), we get a palindrome (34312233221343).

The spelling of 22212212000121 in words is "twenty-two trillion, two hundred twelve billion, two hundred twelve million, one hundred twenty-one", and thus it is an aban number.