2112020120103 has 8 divisors (see below), whose sum is σ = 2817135945600. Its totient is φ = 1407458854008.

The previous prime is 2112020120081. The next prime is 2112020120107. The reversal of 2112020120103 is 3010210202112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2112020120103 - 2⁵ = 2112020120071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112020120107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138630963 + ... + 138646196.

It is an arithmetic number, because the mean of its divisors is an integer number (352141993200).

Almost surely, 2^{2112020120103} is an apocalyptic number.

2112020120103 is a deficient number, since it is larger than the sum of its proper divisors (705115825497).

2112020120103 is a wasteful number, since it uses less digits than its factorization.

2112020120103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277279701.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2112020120103 its reverse (3010210202112), we get a palindrome (5122230322215).

The spelling of 2112020120103 in words is "two trillion, one hundred twelve billion, twenty million, one hundred twenty thousand, one hundred three".