200111202061 has 2 divisors, whose sum is σ = 200111202062. Its totient is φ = 200111202060.

The previous prime is 200111202059. The next prime is 200111202121. The reversal of 200111202061 is 160202111002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199670454025 + 440748036 = 446845^2 + 20994^2 .

It is a cyclic number.

It is not a de Polignac number, because 200111202061 - 2¹ = 200111202059 is a prime.

Together with 200111202059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200111209061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100055601030 + 100055601031.

It is an arithmetic number, because the mean of its divisors is an integer number (100055601031).

Almost surely, 2^200111202061 is an apocalyptic number.

It is an amenable number.

200111202061 is a deficient number, since it is larger than the sum of its proper divisors (1).

200111202061 is an equidigital number, since it uses as much as digits as its factorization.

200111202061 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 16.

Adding to 200111202061 its reverse (160202111002), we get a palindrome (360313313063).

The spelling of 200111202061 in words is "two hundred billion, one hundred eleven million, two hundred two thousand, sixty-one".