20020100001103 has 4 divisors (see below), whose sum is σ = 20020523745208. Its totient is φ = 20019676257000.

The previous prime is 20020100001091. The next prime is 20020100001113. The reversal of 20020100001103 is 30110000102002.

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 20020100001103 - 2⁴¹ = 17821076745551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20020100001103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020100001113) 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, 211801176 + ... + 211895677.

It is an arithmetic number, because the mean of its divisors is an integer number (5005130936302).

Almost surely, 2^{20020100001103} is an apocalyptic number.

20020100001103 is a deficient number, since it is larger than the sum of its proper divisors (423744105).

20020100001103 is an equidigital number, since it uses as much as digits as its factorization.

20020100001103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423744104.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20020100001103 its reverse (30110000102002), we get a palindrome (50130100103105).

The spelling of 20020100001103 in words is "twenty trillion, twenty billion, one hundred million, one thousand, one hundred three".