220221210022212 has 96 divisors (see below), whose sum is σ = 636966943361280. Its totient is φ = 57774779412480.

The previous prime is 220221210022193. The next prime is 220221210022241. The reversal of 220221210022212 is 212220012122022.

220221210022212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1880630887 + ... + 1880747982.

It is an arithmetic number, because the mean of its divisors is an integer number (6635072326680).

Almost surely, 2^{220221210022212} is an apocalyptic number.

It is an amenable number.

220221210022212 is an abundant number, since it is smaller than the sum of its proper divisors (416745733339068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220221210022212 is a wasteful number, since it uses less digits than its factorization.

220221210022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761378941 (or 3761378939 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 220221210022212 its reverse (212220012122022), we get a palindrome (432441222144234).

The spelling of 220221210022212 in words is "two hundred twenty trillion, two hundred twenty-one billion, two hundred ten million, twenty-two thousand, two hundred twelve".