201200020111 has 2 divisors, whose sum is σ = 201200020112. Its totient is φ = 201200020110.

The previous prime is 201200019973. The next prime is 201200020121. The reversal of 201200020111 is 111020002102.

It is an a-pointer prime, because the next prime (201200020121) can be obtained adding 201200020111 to its sum of digits (10).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201200020111 - 2¹⁷ = 201199889039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201200020121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100600010055 + 100600010056.

It is an arithmetic number, because the mean of its divisors is an integer number (100600010056).

Almost surely, 2^201200020111 is an apocalyptic number.

201200020111 is a deficient number, since it is larger than the sum of its proper divisors (1).

201200020111 is an equidigital number, since it uses as much as digits as its factorization.

201200020111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201200020111 its reverse (111020002102), we get a palindrome (312220022213).

The spelling of 201200020111 in words is "two hundred one billion, two hundred million, twenty thousand, one hundred eleven".