200211001020161 has 2 divisors, whose sum is σ = 200211001020162. Its totient is φ = 200211001020160.

The previous prime is 200211001020103. The next prime is 200211001020167. The reversal of 200211001020161 is 161020100112002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140898822946561 + 59312178073600 = 11870081^2 + 7701440^2 .

It is a cyclic number.

It is not a de Polignac number, because 200211001020161 - 2⁶ = 200211001020097 is a prime.

It is not a weakly prime, because it can be changed into another prime (200211001020167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100105500510080 + 100105500510081.

It is an arithmetic number, because the mean of its divisors is an integer number (100105500510081).

Almost surely, 2^{200211001020161} is an apocalyptic number.

It is an amenable number.

200211001020161 is a deficient number, since it is larger than the sum of its proper divisors (1).

200211001020161 is an equidigital number, since it uses as much as digits as its factorization.

200211001020161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 200211001020161 its reverse (161020100112002), we get a palindrome (361231101132163).

The spelling of 200211001020161 in words is "two hundred trillion, two hundred eleven billion, one million, twenty thousand, one hundred sixty-one".