211222030203 has 24 divisors (see below), whose sum is σ = 320011318848. Its totient is φ = 134093791872.

The previous prime is 211222030177. The next prime is 211222030231. The reversal of 211222030203 is 302030222112.

211222030203 is a `hidden beast` number, since 211 + 2 + 220 + 30 + 203 = 666.

It is not a de Polignac number, because 211222030203 - 2⁶ = 211222030139 is a prime.

It is a super-2 number, since 2×211222030203² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211222030273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6732226 + ... + 6763527.

It is an arithmetic number, because the mean of its divisors is an integer number (13333804952).

Almost surely, 2^211222030203 is an apocalyptic number.

211222030203 is a deficient number, since it is larger than the sum of its proper divisors (108789288645).

211222030203 is a wasteful number, since it uses less digits than its factorization.

211222030203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13495843 (or 13495840 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 211222030203 its reverse (302030222112), we get a palindrome (513252252315).

It can be divided in two parts, 21122 and 2030203, that added together give a triangular number (2051325 = T₂₀₂₅).

The spelling of 211222030203 in words is "two hundred eleven billion, two hundred twenty-two million, thirty thousand, two hundred three".