20010020111222 has 16 divisors (see below), whose sum is σ = 30602669586720. Its totient is φ = 9811022807808.

The previous prime is 20010020111189. The next prime is 20010020111251. The reversal of 20010020111222 is 22211102001002.

It is a junction number, because it is equal to n+sod(n) for n = 20010020111197 and 20010020111206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473118458 + ... + 473160749.

It is an arithmetic number, because the mean of its divisors is an integer number (1912666849170).

Almost surely, 2^{20010020111222} is an apocalyptic number.

20010020111222 is a deficient number, since it is larger than the sum of its proper divisors (10592649475498).

20010020111222 is a wasteful number, since it uses less digits than its factorization.

20010020111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946279415.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20010020111222 its reverse (22211102001002), we get a palindrome (42221122112224).

The spelling of 20010020111222 in words is "twenty trillion, ten billion, twenty million, one hundred eleven thousand, two hundred twenty-two".