20122121120222 has 64 divisors (see below), whose sum is σ = 34501660369920. Its totient is φ = 8712418598400.

The previous prime is 20122121120201. The next prime is 20122121120293. The reversal of 20122121120222 is 22202112122102.

It is a junction number, because it is equal to n+sod(n) for n = 20122121120194 and 20122121120203.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 133076822 + ... + 133227942.

It is an arithmetic number, because the mean of its divisors is an integer number (539088443280).

Almost surely, 2^{20122121120222} is an apocalyptic number.

20122121120222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20122121120222 is a deficient number, since it is larger than the sum of its proper divisors (14379539249698).

20122121120222 is a wasteful number, since it uses less digits than its factorization.

20122121120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152249.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20122121120222 its reverse (22202112122102), we get a palindrome (42324233242324).

The spelling of 20122121120222 in words is "twenty trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred twenty thousand, two hundred twenty-two".