999003202101101 has 4 divisors (see below), whose sum is σ = 1026003288644412. Its totient is φ = 972003115557792.

The previous prime is 999003202101089. The next prime is 999003202101137. The reversal of 999003202101101 is 101101202300999.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 687885637925476 + 311117564175625 = 26227574^2 + 17638525^2 .

It is a cyclic number.

It is not a de Polignac number, because 999003202101101 - 2⁴⁶ = 928634457923437 is a prime.

It is a super-2 number, since 2×999003202101101² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999003202101901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13500043271600 + ... + 13500043271673.

It is an arithmetic number, because the mean of its divisors is an integer number (256500822161103).

Almost surely, 2^{999003202101101} is an apocalyptic number.

It is an amenable number.

999003202101101 is a deficient number, since it is larger than the sum of its proper divisors (27000086543311).

999003202101101 is a wasteful number, since it uses less digits than its factorization.

999003202101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27000086543310.

The product of its (nonzero) digits is 8748, while the sum is 38.

The spelling of 999003202101101 in words is "nine hundred ninety-nine trillion, three billion, two hundred two million, one hundred one thousand, one hundred one".