210113121103 has 8 divisors (see below), whose sum is σ = 224551902672. Its totient is φ = 195905360256.

The previous prime is 210113121089. The next prime is 210113121149. The reversal of 210113121103 is 301121311012.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210113121103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210113121203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57753300 + ... + 57756937.

It is an arithmetic number, because the mean of its divisors is an integer number (28068987834).

Almost surely, 2^210113121103 is an apocalyptic number.

210113121103 is a deficient number, since it is larger than the sum of its proper divisors (14438781569).

210113121103 is a wasteful number, since it uses less digits than its factorization.

210113121103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115510361.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 210113121103 its reverse (301121311012), we get a palindrome (511234432115).

The spelling of 210113121103 in words is "two hundred ten billion, one hundred thirteen million, one hundred twenty-one thousand, one hundred three".