202122112201 has 2 divisors, whose sum is σ = 202122112202. Its totient is φ = 202122112200.

The previous prime is 202122112177. The next prime is 202122112237. The reversal of 202122112201 is 102211221202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129707302201 + 72414810000 = 360149^2 + 269100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202122112201 is a prime.

It is not a weakly prime, because it can be changed into another prime (202122112601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101061056100 + 101061056101.

It is an arithmetic number, because the mean of its divisors is an integer number (101061056101).

Almost surely, 2^202122112201 is an apocalyptic number.

It is an amenable number.

202122112201 is a deficient number, since it is larger than the sum of its proper divisors (1).

202122112201 is an equidigital number, since it uses as much as digits as its factorization.

202122112201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202122112201 its reverse (102211221202), we get a palindrome (304333333403).

The spelling of 202122112201 in words is "two hundred two billion, one hundred twenty-two million, one hundred twelve thousand, two hundred one".