999101022211939 has 2 divisors, whose sum is σ = 999101022211940. Its totient is φ = 999101022211938.

The previous prime is 999101022211937. The next prime is 999101022212003. The reversal of 999101022211939 is 939112220101999.

999101022211939 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 is a cyclic number.

It is not a de Polignac number, because 999101022211939 - 2¹ = 999101022211937 is a prime.

Together with 999101022211937, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (999101022211937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499550511105969 + 499550511105970.

It is an arithmetic number, because the mean of its divisors is an integer number (499550511105970).

Almost surely, 2^{999101022211939} is an apocalyptic number.

999101022211939 is a deficient number, since it is larger than the sum of its proper divisors (1).

999101022211939 is an equidigital number, since it uses as much as digits as its factorization.

999101022211939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1417176, while the sum is 58.

The spelling of 999101022211939 in words is "nine hundred ninety-nine trillion, one hundred one billion, twenty-two million, two hundred eleven thousand, nine hundred thirty-nine".