212113120103 has 16 divisors (see below), whose sum is σ = 231864321024. Its totient is φ = 193171754880.

The previous prime is 212113120091. The next prime is 212113120117. The reversal of 212113120103 is 301021311212.

It is a cyclic number.

It is not a de Polignac number, because 212113120103 - 2¹⁸ = 212112857959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212113128103) 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, 5200676 + ... + 5241302.

It is an arithmetic number, because the mean of its divisors is an integer number (14491520064).

Almost surely, 2^212113120103 is an apocalyptic number.

212113120103 is a deficient number, since it is larger than the sum of its proper divisors (19751200921).

212113120103 is a wasteful number, since it uses less digits than its factorization.

212113120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50582.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 212113120103 its reverse (301021311212), we get a palindrome (513134431315).

The spelling of 212113120103 in words is "two hundred twelve billion, one hundred thirteen million, one hundred twenty thousand, one hundred three".