212021022203 has 16 divisors (see below), whose sum is σ = 220439261952. Its totient is φ = 203705280000.

The previous prime is 212021022181. The next prime is 212021022209. The reversal of 212021022203 is 302220120212.

It is a cyclic number.

It is not a de Polignac number, because 212021022203 - 2³⁶ = 143301545467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212021022209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3340775 + ... + 3403647.

It is an arithmetic number, because the mean of its divisors is an integer number (13777453872).

Almost surely, 2^212021022203 is an apocalyptic number.

212021022203 is a deficient number, since it is larger than the sum of its proper divisors (8418239749).

212021022203 is a wasteful number, since it uses less digits than its factorization.

212021022203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63686.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 212021022203 its reverse (302220120212), we get a palindrome (514241142415).

The spelling of 212021022203 in words is "two hundred twelve billion, twenty-one million, twenty-two thousand, two hundred three".