2111011201903 has 2 divisors, whose sum is σ = 2111011201904. Its totient is φ = 2111011201902.

The previous prime is 2111011201883. The next prime is 2111011201921. The reversal of 2111011201903 is 3091021101112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111011201903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111011201963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055505600951 + 1055505600952.

It is an arithmetic number, because the mean of its divisors is an integer number (1055505600952).

Almost surely, 2^{2111011201903} is an apocalyptic number.

2111011201903 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111011201903 is an equidigital number, since it uses as much as digits as its factorization.

2111011201903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 22.

The spelling of 2111011201903 in words is "two trillion, one hundred eleven billion, eleven million, two hundred one thousand, nine hundred three".