20212200122222 has 16 divisors (see below), whose sum is σ = 32102527347072. Its totient is φ = 9511387219200.

The previous prime is 20212200122209. The next prime is 20212200122263. The reversal of 20212200122222 is 22222100221202.

It is a junction number, because it is equal to n+sod(n) for n = 20212200122194 and 20212200122203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5994383 + ... + 8738250.

It is an arithmetic number, because the mean of its divisors is an integer number (2006407959192).

Almost surely, 2^{20212200122222} is an apocalyptic number.

20212200122222 is a deficient number, since it is larger than the sum of its proper divisors (11890327224850).

20212200122222 is a wasteful number, since it uses less digits than its factorization.

20212200122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14773003.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20212200122222 its reverse (22222100221202), we get a palindrome (42434300343424).

The spelling of 20212200122222 in words is "twenty trillion, two hundred twelve billion, two hundred million, one hundred twenty-two thousand, two hundred twenty-two".