210011212102103 has 4 divisors (see below), whose sum is σ = 211402014831408. Its totient is φ = 208620409372800.

The previous prime is 210011212102073. The next prime is 210011212102123. The reversal of 210011212102103 is 301201212110012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210011212102103 - 2¹⁸ = 210011211839959 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 (210011212102123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695401364426 + ... + 695401364727.

It is an arithmetic number, because the mean of its divisors is an integer number (52850503707852).

Almost surely, 2^{210011212102103} is an apocalyptic number.

210011212102103 is a deficient number, since it is larger than the sum of its proper divisors (1390802729305).

210011212102103 is a wasteful number, since it uses less digits than its factorization.

210011212102103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390802729304.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 210011212102103 its reverse (301201212110012), we get a palindrome (511212424212115).

The spelling of 210011212102103 in words is "two hundred ten trillion, eleven billion, two hundred twelve million, one hundred two thousand, one hundred three".