2202021212201 has 2 divisors, whose sum is σ = 2202021212202. Its totient is φ = 2202021212200.

The previous prime is 2202021212189. The next prime is 2202021212203. The reversal of 2202021212201 is 1022121202022.

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., 1833844098025 + 368177114176 = 1354195^2 + 606776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2202021212201 is a prime.

It is a super-2 number, since 2×2202021212201² (a number of 25 digits) contains 22 as substring.

Together with 2202021212203, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2202021212201.

It is not a weakly prime, because it can be changed into another prime (2202021212203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101010606100 + 1101010606101.

It is an arithmetic number, because the mean of its divisors is an integer number (1101010606101).

Almost surely, 2^{2202021212201} is an apocalyptic number.

It is an amenable number.

2202021212201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202021212201 is an equidigital number, since it uses as much as digits as its factorization.

2202021212201 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 2202021212201 its reverse (1022121202022), we get a palindrome (3224142414223).

The spelling of 2202021212201 in words is "two trillion, two hundred two billion, twenty-one million, two hundred twelve thousand, two hundred one".