211101220222 has 16 divisors (see below), whose sum is σ = 334211351760. Its totient is φ = 99727224192.

The previous prime is 211101220219. The next prime is 211101220259. The reversal of 211101220222 is 222022101112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211101220196 and 211101220205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7432603 + ... + 7460950.

It is an arithmetic number, because the mean of its divisors is an integer number (20888209485).

Almost surely, 2^211101220222 is an apocalyptic number.

211101220222 is a deficient number, since it is larger than the sum of its proper divisors (123110131538).

211101220222 is a wasteful number, since it uses less digits than its factorization.

211101220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14893947.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211101220222 its reverse (222022101112), we get a palindrome (433123321334).

The spelling of 211101220222 in words is "two hundred eleven billion, one hundred one million, two hundred twenty thousand, two hundred twenty-two".