202111102103 has 32 divisors (see below), whose sum is σ = 222236524800. Its totient is φ = 183026110464.

The previous prime is 202111102097. The next prime is 202111102117. The reversal of 202111102103 is 301201111202.

It is not a de Polignac number, because 202111102103 - 2⁴ = 202111102087 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 (202111102183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23176178 + ... + 23184896.

It is an arithmetic number, because the mean of its divisors is an integer number (6944891400).

Almost surely, 2^202111102103 is an apocalyptic number.

202111102103 is a deficient number, since it is larger than the sum of its proper divisors (20125422697).

202111102103 is a wasteful number, since it uses less digits than its factorization.

202111102103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9179.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 202111102103 its reverse (301201111202), we get a palindrome (503312213305).

Subtracting 202111102103 from its reverse (301201111202), we obtain a palindrome (99090009099).

The spelling of 202111102103 in words is "two hundred two billion, one hundred eleven million, one hundred two thousand, one hundred three".