200101111122091 has 2 divisors, whose sum is σ = 200101111122092. Its totient is φ = 200101111122090.

The previous prime is 200101111122047. The next prime is 200101111122127. The reversal of 200101111122091 is 190221111101002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200101111122091 - 2³⁷ = 199963672168619 is a prime.

It is a super-2 number, since 2×200101111122091² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200101111102091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100050555561045 + 100050555561046.

It is an arithmetic number, because the mean of its divisors is an integer number (100050555561046).

Almost surely, 2^{200101111122091} is an apocalyptic number.

200101111122091 is a deficient number, since it is larger than the sum of its proper divisors (1).

200101111122091 is an equidigital number, since it uses as much as digits as its factorization.

200101111122091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 22.

Adding to 200101111122091 its reverse (190221111101002), we get a palindrome (390322222223093).

The spelling of 200101111122091 in words is "two hundred trillion, one hundred one billion, one hundred eleven million, one hundred twenty-two thousand, ninety-one".