20111010222202 has 32 divisors (see below), whose sum is σ = 32120593291584. Its totient is φ = 9410919840000.

The previous prime is 20111010222077. The next prime is 20111010222203. The reversal of 20111010222202 is 20222201011102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20111010222203) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3309177 + ... + 7153507.

It is an arithmetic number, because the mean of its divisors is an integer number (1003768540362).

Almost surely, 2^{20111010222202} is an apocalyptic number.

20111010222202 is a deficient number, since it is larger than the sum of its proper divisors (12009583069382).

20111010222202 is a wasteful number, since it uses less digits than its factorization.

20111010222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845214.

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

Adding to 20111010222202 its reverse (20222201011102), we get a palindrome (40333211233304).

The spelling of 20111010222202 in words is "twenty trillion, one hundred eleven billion, ten million, two hundred twenty-two thousand, two hundred two".