20211323010003 has 32 divisors (see below), whose sum is σ = 31566224056320. Its totient is φ = 12762125691840.

The previous prime is 20211323009947. The next prime is 20211323010037. The reversal of 20211323010003 is 30001032311202.

It is not a de Polignac number, because 20211323010003 - 2¹³ = 20211323001811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20211323010083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256847250 + ... + 256925927.

It is an arithmetic number, because the mean of its divisors is an integer number (986444501760).

Almost surely, 2^{20211323010003} is an apocalyptic number.

20211323010003 is a deficient number, since it is larger than the sum of its proper divisors (11354901046317).

20211323010003 is a wasteful number, since it uses less digits than its factorization.

20211323010003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513773264 (or 513773258 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20211323010003 its reverse (30001032311202), we get a palindrome (50212355321205).

The spelling of 20211323010003 in words is "twenty trillion, two hundred eleven billion, three hundred twenty-three million, ten thousand, three".