20112011401103 has 4 divisors (see below), whose sum is σ = 20123178538608. Its totient is φ = 20100844263600.

The previous prime is 20112011401073. The next prime is 20112011401133. The reversal of 20112011401103 is 30110411021102.

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

It is an interprime number because it is at equal distance from previous prime (20112011401073) and next prime (20112011401133).

It is a cyclic number.

It is not a de Polignac number, because 20112011401103 - 2⁸ = 20112011400847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112011401133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5583566051 + ... + 5583569652.

It is an arithmetic number, because the mean of its divisors is an integer number (5030794634652).

Almost surely, 2^{20112011401103} is an apocalyptic number.

20112011401103 is a deficient number, since it is larger than the sum of its proper divisors (11167137505).

20112011401103 is a wasteful number, since it uses less digits than its factorization.

20112011401103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11167137504.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 20112011401103 its reverse (30110411021102), we get a palindrome (50222422422205).

The spelling of 20112011401103 in words is "twenty trillion, one hundred twelve billion, eleven million, four hundred one thousand, one hundred three".