200211221137 has 2 divisors, whose sum is σ = 200211221138. Its totient is φ = 200211221136.

The previous prime is 200211221113. The next prime is 200211221191. The reversal of 200211221137 is 731122112002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115344461376 + 84866759761 = 339624^2 + 291319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200211221137 is a prime.

It is not a weakly prime, because it can be changed into another prime (200211221437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100105610568 + 100105610569.

It is an arithmetic number, because the mean of its divisors is an integer number (100105610569).

Almost surely, 2^200211221137 is an apocalyptic number.

It is an amenable number.

200211221137 is a deficient number, since it is larger than the sum of its proper divisors (1).

200211221137 is an equidigital number, since it uses as much as digits as its factorization.

200211221137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 200211221137 its reverse (731122112002), we get a palindrome (931333333139).

The spelling of 200211221137 in words is "two hundred billion, two hundred eleven million, two hundred twenty-one thousand, one hundred thirty-seven".