202112130311103 has 4 divisors (see below), whose sum is σ = 269482840414808. Its totient is φ = 134741420207400.

The previous prime is 202112130310967. The next prime is 202112130311107. The reversal of 202112130311103 is 301113031211202.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 202112130311103 - 2⁹ = 202112130310591 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 202112130311103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202112130311107) 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, 33685355051848 + ... + 33685355051853.

It is an arithmetic number, because the mean of its divisors is an integer number (67370710103702).

Almost surely, 2^{202112130311103} is an apocalyptic number.

202112130311103 is a deficient number, since it is larger than the sum of its proper divisors (67370710103705).

202112130311103 is an equidigital number, since it uses as much as digits as its factorization.

202112130311103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67370710103704.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 202112130311103 its reverse (301113031211202), we get a palindrome (503225161522305).

Subtracting 202112130311103 from its reverse (301113031211202), we obtain a palindrome (99000900900099).

The spelling of 202112130311103 in words is "two hundred two trillion, one hundred twelve billion, one hundred thirty million, three hundred eleven thousand, one hundred three".