20113012011003 has 4 divisors (see below), whose sum is σ = 26817349348008. Its totient is φ = 13408674674000.

The previous prime is 20113012010977. The next prime is 20113012011011. The reversal of 20113012011003 is 30011021031102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20113012011003 - 2⁹ = 20113012010491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20113012011023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3352168668498 + ... + 3352168668503.

It is an arithmetic number, because the mean of its divisors is an integer number (6704337337002).

Almost surely, 2^{20113012011003} is an apocalyptic number.

20113012011003 is a deficient number, since it is larger than the sum of its proper divisors (6704337337005).

20113012011003 is an equidigital number, since it uses as much as digits as its factorization.

20113012011003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6704337337004.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 20113012011003 its reverse (30011021031102), we get a palindrome (50124033042105).

The spelling of 20113012011003 in words is "twenty trillion, one hundred thirteen billion, twelve million, eleven thousand, three".