2112101120103 has 32 divisors (see below), whose sum is σ = 3321887889600. Its totient is φ = 1181115672576.

The previous prime is 2112101120083. The next prime is 2112101120113. The reversal of 2112101120103 is 3010211012112.

It is not a de Polignac number, because 2112101120103 - 2¹² = 2112101116007 is a prime.

It is a super-2 number, since 2×2112101120103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112101120113) 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, 54906168 + ... + 54944621.

It is an arithmetic number, because the mean of its divisors is an integer number (103808996550).

Almost surely, 2^{2112101120103} is an apocalyptic number.

2112101120103 is a deficient number, since it is larger than the sum of its proper divisors (1209786769497).

2112101120103 is a wasteful number, since it uses less digits than its factorization.

2112101120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109850851.

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

Adding to 2112101120103 its reverse (3010211012112), we get a palindrome (5122312132215).

The spelling of 2112101120103 in words is "two trillion, one hundred twelve billion, one hundred one million, one hundred twenty thousand, one hundred three".