65211106222 has 16 divisors (see below), whose sum is σ = 100690837632. Its totient is φ = 31656575160.

The previous prime is 65211106189. The next prime is 65211106297. The reversal of 65211106222 is 22260111256.

It is a super-3 number, since 3×65211106222³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2255904 + ... + 2284627.

It is an arithmetic number, because the mean of its divisors is an integer number (6293177352).

Almost surely, 2^65211106222 is an apocalyptic number.

65211106222 is a deficient number, since it is larger than the sum of its proper divisors (35479731410).

65211106222 is a wasteful number, since it uses less digits than its factorization.

65211106222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4540743.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 65211106222 its reverse (22260111256), we get a palindrome (87471217478).

The spelling of 65211106222 in words is "sixty-five billion, two hundred eleven million, one hundred six thousand, two hundred twenty-two".