20102222202011 has 8 divisors (see below), whose sum is σ = 21228957550080. Its totient is φ = 18996547327912.

The previous prime is 20102222201981. The next prime is 20102222202077. The reversal of 20102222202011 is 11020222220102.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-20102222202011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102222205011) 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, 5265116531 + ... + 5265120348.

It is an arithmetic number, because the mean of its divisors is an integer number (2653619693760).

Almost surely, 2^{20102222202011} is an apocalyptic number.

20102222202011 is a deficient number, since it is larger than the sum of its proper divisors (1126735348069).

20102222202011 is a wasteful number, since it uses less digits than its factorization.

20102222202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10530236985.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20102222202011 its reverse (11020222220102), we get a palindrome (31122444422113).

The spelling of 20102222202011 in words is "twenty trillion, one hundred two billion, two hundred twenty-two million, two hundred two thousand, eleven".