212212102103 has 4 divisors (see below), whose sum is σ = 217947564360. Its totient is φ = 206476639848.

The previous prime is 212212102099. The next prime is 212212102121. The reversal of 212212102103 is 301201212212.

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 212212102103 - 2² = 212212102099 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 (212212102153) 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, 2867731073 + ... + 2867731146.

It is an arithmetic number, because the mean of its divisors is an integer number (54486891090).

Almost surely, 2^212212102103 is an apocalyptic number.

212212102103 is a deficient number, since it is larger than the sum of its proper divisors (5735462257).

212212102103 is an equidigital number, since it uses as much as digits as its factorization.

212212102103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5735462256.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212212102103 its reverse (301201212212), we get a palindrome (513413314315).

The spelling of 212212102103 in words is "two hundred twelve billion, two hundred twelve million, one hundred two thousand, one hundred three".