20102216122 has 8 divisors (see below), whose sum is σ = 30794884416. Its totient is φ = 9837254652.

The previous prime is 20102216111. The next prime is 20102216137. The reversal of 20102216122 is 22161220102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20102216122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106926588 + ... + 106926775.

It is an arithmetic number, because the mean of its divisors is an integer number (3849360552).

Almost surely, 2^20102216122 is an apocalyptic number.

20102216122 is a deficient number, since it is larger than the sum of its proper divisors (10692668294).

20102216122 is a wasteful number, since it uses less digits than its factorization.

20102216122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213853412.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20102216122 its reverse (22161220102), we get a palindrome (42263436224).

The spelling of 20102216122 in words is "twenty billion, one hundred two million, two hundred sixteen thousand, one hundred twenty-two".