2112100121103 has 32 divisors (see below), whose sum is σ = 3290979870720. Its totient is φ = 1179774762240.

The previous prime is 2112100121071. The next prime is 2112100121119. The reversal of 2112100121103 is 3011210012112.

It is not a de Polignac number, because 2112100121103 - 2⁵ = 2112100121071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112100121003) 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, 524088 + ... + 2121053.

It is an arithmetic number, because the mean of its divisors is an integer number (102843120960).

Almost surely, 2^{2112100121103} is an apocalyptic number.

2112100121103 is a deficient number, since it is larger than the sum of its proper divisors (1178879749617).

2112100121103 is a wasteful number, since it uses less digits than its factorization.

2112100121103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646007.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 2112100121103 its reverse (3011210012112), we get a palindrome (5123310133215).

The spelling of 2112100121103 in words is "two trillion, one hundred twelve billion, one hundred million, one hundred twenty-one thousand, one hundred three".