211220203030 has 8 divisors (see below), whose sum is σ = 380196365472. Its totient is φ = 84488081208.

The previous prime is 211220203013. The next prime is 211220203079. The reversal of 211220203030 is 30302022112.

211220203030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×211220203030³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 211220202995 and 211220203013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10561010142 + ... + 10561010161.

It is an arithmetic number, because the mean of its divisors is an integer number (47524545684).

Almost surely, 2^211220203030 is an apocalyptic number.

211220203030 is a deficient number, since it is larger than the sum of its proper divisors (168976162442).

211220203030 is a wasteful number, since it uses less digits than its factorization.

211220203030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21122020310.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 211220203030 its reverse (30302022112), we get a palindrome (241522225142).

The spelling of 211220203030 in words is "two hundred eleven billion, two hundred twenty million, two hundred three thousand, thirty".