200111020001 has 2 divisors, whose sum is σ = 200111020002. Its totient is φ = 200111020000.

The previous prime is 200111019943. The next prime is 200111020009. The reversal of 200111020001 is 100020111002.

It is an a-pointer prime, because the next prime (200111020009) can be obtained adding 200111020001 to its sum of digits (8).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114972533776 + 85138486225 = 339076^2 + 291785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200111020001 is a prime.

It is not a weakly prime, because it can be changed into another prime (200111020009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100055510000 + 100055510001.

It is an arithmetic number, because the mean of its divisors is an integer number (100055510001).

Almost surely, 2^200111020001 is an apocalyptic number.

It is an amenable number.

200111020001 is a deficient number, since it is larger than the sum of its proper divisors (1).

200111020001 is an equidigital number, since it uses as much as digits as its factorization.

200111020001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 200111020001 its reverse (100020111002), we get a palindrome (300131131003).

The spelling of 200111020001 in words is "two hundred billion, one hundred eleven million, twenty thousand, one".