211420202222 has 16 divisors (see below), whose sum is σ = 323031613680. Its totient is φ = 103748844672.

The previous prime is 211420202221. The next prime is 211420202239. The reversal of 211420202222 is 222202024112.

It is a junction number, because it is equal to n+sod(n) for n = 211420202194 and 211420202203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211420202221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1389083 + ... + 1533750.

It is an arithmetic number, because the mean of its divisors is an integer number (20189475855).

Almost surely, 2^211420202222 is an apocalyptic number.

211420202222 is a deficient number, since it is larger than the sum of its proper divisors (111611411458).

211420202222 is a wasteful number, since it uses less digits than its factorization.

211420202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923507.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 211420202222 its reverse (222202024112), we get a palindrome (433622226334).

The spelling of 211420202222 in words is "two hundred eleven billion, four hundred twenty million, two hundred two thousand, two hundred twenty-two".