200212220011221 has 64 divisors (see below), whose sum is σ = 323797334215680. Its totient is φ = 121257503928000.

The previous prime is 200212220011213. The next prime is 200212220011241. The reversal of 200212220011221 is 122110022212002.

It is a happy number.

200212220011221 is a `hidden beast` number, since 2 + 0 + 0 + 212 + 220 + 0 + 11 + 221 = 666.

It is not a de Polignac number, because 200212220011221 - 2³ = 200212220011213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200212220011194 and 200212220011203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200212220011201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3147414706 + ... + 3147478316.

It is an arithmetic number, because the mean of its divisors is an integer number (5059333347120).

Almost surely, 2^{200212220011221} is an apocalyptic number.

It is an amenable number.

200212220011221 is a deficient number, since it is larger than the sum of its proper divisors (123585114204459).

200212220011221 is a wasteful number, since it uses less digits than its factorization.

200212220011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70735 (or 70729 counting only the distinct ones).

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

Adding to 200212220011221 its reverse (122110022212002), we get a palindrome (322322242223223).

The spelling of 200212220011221 in words is "two hundred trillion, two hundred twelve billion, two hundred twenty million, eleven thousand, two hundred twenty-one".