22101389066 has 16 divisors (see below), whose sum is σ = 33576215904. Its totient is φ = 10910022864.

The previous prime is 22101389059. The next prime is 22101389069. The reversal of 22101389066 is 66098310122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22101389069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113540 + ... + 238943.

It is an arithmetic number, because the mean of its divisors is an integer number (2098513494).

Almost surely, 2^22101389066 is an apocalyptic number.

22101389066 is a deficient number, since it is larger than the sum of its proper divisors (11474826838).

22101389066 is a wasteful number, since it uses less digits than its factorization.

22101389066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352885.

The product of its (nonzero) digits is 31104, while the sum is 38.

Adding to 22101389066 its reverse (66098310122), we get a palindrome (88199699188).

The spelling of 22101389066 in words is "twenty-two billion, one hundred one million, three hundred eighty-nine thousand, sixty-six".