202111110103 has 16 divisors (see below), whose sum is σ = 231292848960. Its totient is φ = 173006701056.

The previous prime is 202111110079. The next prime is 202111110119. The reversal of 202111110103 is 301011111202.

It is a happy number.

It is not a de Polignac number, because 202111110103 - 2⁹ = 202111109591 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 (202111110203) 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, 24969525 + ... + 24977617.

It is an arithmetic number, because the mean of its divisors is an integer number (14455803060).

Almost surely, 2^202111110103 is an apocalyptic number.

202111110103 is a deficient number, since it is larger than the sum of its proper divisors (29181738857).

202111110103 is a wasteful number, since it uses less digits than its factorization.

202111110103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12426.

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

Adding to 202111110103 its reverse (301011111202), we get a palindrome (503122221305).

The spelling of 202111110103 in words is "two hundred two billion, one hundred eleven million, one hundred ten thousand, one hundred three".