2200212221021 has 2 divisors, whose sum is σ = 2200212221022. Its totient is φ = 2200212221020.

The previous prime is 2200212220949. The next prime is 2200212221029. The reversal of 2200212221021 is 1201222120022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2089513615225 + 110698605796 = 1445515^2 + 332714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2200212221021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2200212221029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100106110510 + 1100106110511.

It is an arithmetic number, because the mean of its divisors is an integer number (1100106110511).

Almost surely, 2^{2200212221021} is an apocalyptic number.

It is an amenable number.

2200212221021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200212221021 is an equidigital number, since it uses as much as digits as its factorization.

2200212221021 is an evil number, because the sum of its binary digits is even.

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

Adding to 2200212221021 its reverse (1201222120022), we get a palindrome (3401434341043).

The spelling of 2200212221021 in words is "two trillion, two hundred billion, two hundred twelve million, two hundred twenty-one thousand, twenty-one".