201200111977 has 2 divisors, whose sum is σ = 201200111978. Its totient is φ = 201200111976.

The previous prime is 201200111971. The next prime is 201200112059. The reversal of 201200111977 is 779111002102.

201200111977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128464179561 + 72735932416 = 358419^2 + 269696^2 .

It is a cyclic number.

It is not a de Polignac number, because 201200111977 - 2¹⁹ = 201199587689 is a prime.

It is not a weakly prime, because it can be changed into another prime (201200111971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100600055988 + 100600055989.

It is an arithmetic number, because the mean of its divisors is an integer number (100600055989).

Almost surely, 2^201200111977 is an apocalyptic number.

It is an amenable number.

201200111977 is a deficient number, since it is larger than the sum of its proper divisors (1).

201200111977 is an equidigital number, since it uses as much as digits as its factorization.

201200111977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 31.

The spelling of 201200111977 in words is "two hundred one billion, two hundred million, one hundred eleven thousand, nine hundred seventy-seven".