200111211929 has 2 divisors, whose sum is σ = 200111211930. Its totient is φ = 200111211928.

The previous prime is 200111211907. The next prime is 200111211943. The reversal of 200111211929 is 929112111002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126897675529 + 73213536400 = 356227^2 + 270580^2 .

It is a cyclic number.

It is not a de Polignac number, because 200111211929 - 2³² = 195816244633 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (200101211929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100055605964 + 100055605965.

It is an arithmetic number, because the mean of its divisors is an integer number (100055605965).

Almost surely, 2^200111211929 is an apocalyptic number.

It is an amenable number.

200111211929 is a deficient number, since it is larger than the sum of its proper divisors (1).

200111211929 is an equidigital number, since it uses as much as digits as its factorization.

200111211929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 200111211929 in words is "two hundred billion, one hundred eleven million, two hundred eleven thousand, nine hundred twenty-nine".