20110102021203 has 16 divisors (see below), whose sum is σ = 26821620787200. Its totient is φ = 13402659362400.

The previous prime is 20110102021201. The next prime is 20110102021231. The reversal of 20110102021203 is 30212020101102.

It is not a de Polignac number, because 20110102021203 - 2¹ = 20110102021201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20110102021201) 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 15 ways as a sum of consecutive naturals, for example, 281780238 + ... + 281851596.

It is an arithmetic number, because the mean of its divisors is an integer number (1676351299200).

Almost surely, 2^{20110102021203} is an apocalyptic number.

20110102021203 is a deficient number, since it is larger than the sum of its proper divisors (6711518765997).

20110102021203 is a wasteful number, since it uses less digits than its factorization.

20110102021203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98602.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20110102021203 its reverse (30212020101102), we get a palindrome (50322122122305).

The spelling of 20110102021203 in words is "twenty trillion, one hundred ten billion, one hundred two million, twenty-one thousand, two hundred three".