212021203101103 has 12 divisors (see below), whose sum is σ = 233091201179200. Its totient is φ = 192710900083680.

The previous prime is 212021203101047. The next prime is 212021203101121. The reversal of 212021203101103 is 301101302120212.

It is not a de Polignac number, because 212021203101103 - 2²¹ = 212021201003951 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 (212021203101143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161380278 + ... + 162688771.

Almost surely, 2^{212021203101103} is an apocalyptic number.

212021203101103 is a deficient number, since it is larger than the sum of its proper divisors (21069998078097).

212021203101103 is a wasteful number, since it uses less digits than its factorization.

212021203101103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324074478 (or 324074467 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 212021203101103 its reverse (301101302120212), we get a palindrome (513122505221315).

The spelling of 212021203101103 in words is "two hundred twelve trillion, twenty-one billion, two hundred three million, one hundred one thousand, one hundred three".