10111120203 has 16 divisors (see below), whose sum is σ = 13895885600. Its totient is φ = 6534867456.

The previous prime is 10111120171. The next prime is 10111120223. The reversal of 10111120203 is 30202111101.

It is not a de Polignac number, because 10111120203 - 2⁵ = 10111120171 is a prime.

It is a super-2 number, since 2×10111120203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10111120223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133678 + ... + 195171.

It is an arithmetic number, because the mean of its divisors is an integer number (868492850).

Almost surely, 2^10111120203 is an apocalyptic number.

10111120203 is a deficient number, since it is larger than the sum of its proper divisors (3784765397).

10111120203 is a wasteful number, since it uses less digits than its factorization.

10111120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329166.

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

Adding to 10111120203 its reverse (30202111101), we get a palindrome (40313231304).

The spelling of 10111120203 in words is "ten billion, one hundred eleven million, one hundred twenty thousand, two hundred three".