220021120002212 has 6 divisors (see below), whose sum is σ = 385036960003878. Its totient is φ = 110010560001104.

The previous prime is 220021120002193. The next prime is 220021120002217. The reversal of 220021120002212 is 212200021120022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 132448656545956 + 87572463456256 = 11508634^2 + 9358016^2 .

It is not an unprimeable number, because it can be changed into a prime (220021120002217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27502640000273 + ... + 27502640000280.

It is an arithmetic number, because the mean of its divisors is an integer number (64172826667313).

Almost surely, 2^{220021120002212} is an apocalyptic number.

It is an amenable number.

220021120002212 is a deficient number, since it is larger than the sum of its proper divisors (165015840001666).

220021120002212 is a wasteful number, since it uses less digits than its factorization.

220021120002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55005280000557 (or 55005280000555 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220021120002212 its reverse (212200021120022), we get a palindrome (432221141122234).

The spelling of 220021120002212 in words is "two hundred twenty trillion, twenty-one billion, one hundred twenty million, two thousand, two hundred twelve".