20011110201103 has 16 divisors (see below), whose sum is σ = 22932022994496. Its totient is φ = 17105746590720.

The previous prime is 20011110201067. The next prime is 20011110201157. The reversal of 20011110201103 is 30110201111002.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20011110201103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011110201503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76457823 + ... + 76719103.

It is an arithmetic number, because the mean of its divisors is an integer number (1433251437156).

Almost surely, 2^{20011110201103} is an apocalyptic number.

20011110201103 is a deficient number, since it is larger than the sum of its proper divisors (2920912793393).

20011110201103 is a wasteful number, since it uses less digits than its factorization.

20011110201103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290994.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 20011110201103 its reverse (30110201111002), we get a palindrome (50121311312105).

The spelling of 20011110201103 in words is "twenty trillion, eleven billion, one hundred ten million, two hundred one thousand, one hundred three".