211220220103 has 8 divisors (see below), whose sum is σ = 211342982400. Its totient is φ = 211097498808.

The previous prime is 211220220049. The next prime is 211220220121. The reversal of 211220220103 is 301022022112.

It is a happy number.

211220220103 is digitally balanced in base 2, 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 cyclic number.

It is not a de Polignac number, because 211220220103 - 2¹³ = 211220211911 is a prime.

It is a super-2 number, since 2×211220220103² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211220220173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18721218 + ... + 18732496.

It is an arithmetic number, because the mean of its divisors is an integer number (26417872800).

Almost surely, 2^211220220103 is an apocalyptic number.

211220220103 is a deficient number, since it is larger than the sum of its proper divisors (122762297).

211220220103 is a wasteful number, since it uses less digits than its factorization.

211220220103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20501.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 211220220103 its reverse (301022022112), we get a palindrome (512242242215).

The spelling of 211220220103 in words is "two hundred eleven billion, two hundred twenty million, two hundred twenty thousand, one hundred three".