212100101103 has 32 divisors (see below), whose sum is σ = 310433760000. Its totient is φ = 127744646400.

The previous prime is 212100100999. The next prime is 212100101119. The reversal of 212100101103 is 301101001212.

It is not a de Polignac number, because 212100101103 - 2²¹ = 212098003951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212100101203) 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, 8941683 + ... + 8965371.

It is an arithmetic number, because the mean of its divisors is an integer number (9701055000).

Almost surely, 2^212100101103 is an apocalyptic number.

212100101103 is a deficient number, since it is larger than the sum of its proper divisors (98333658897).

212100101103 is a wasteful number, since it uses less digits than its factorization.

212100101103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25383.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 212100101103 its reverse (301101001212), we get a palindrome (513201102315).

The spelling of 212100101103 in words is "two hundred twelve billion, one hundred million, one hundred one thousand, one hundred three".