220212012200121 has 24 divisors (see below), whose sum is σ = 318130649457920. Its totient is φ = 146786487097536.

The previous prime is 220212012200071. The next prime is 220212012200239. The reversal of 220212012200121 is 121002210212022.

It is a happy number.

220212012200121 is a `hidden beast` number, since 2 + 202 + 120 + 1 + 220 + 0 + 121 = 666.

It is not a de Polignac number, because 220212012200121 - 2⁶ = 220212012200057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220212012200094 and 220212012200103.

It is not an unprimeable number, because it can be changed into a prime (220212012200321) 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 23 ways as a sum of consecutive naturals, for example, 3830611440 + ... + 3830668926.

Almost surely, 2^{220212012200121} is an apocalyptic number.

It is an amenable number.

220212012200121 is a deficient number, since it is larger than the sum of its proper divisors (97918637257799).

220212012200121 is a wasteful number, since it uses less digits than its factorization.

220212012200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112485 (or 112482 counting only the distinct ones).

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

Adding to 220212012200121 its reverse (121002210212022), we get a palindrome (341214222412143).

The spelling of 220212012200121 in words is "two hundred twenty trillion, two hundred twelve billion, twelve million, two hundred thousand, one hundred twenty-one".