20222122112 has 16 divisors (see below), whose sum is σ = 40286259150. Its totient is φ = 10111060992.

The previous prime is 20222122097. The next prime is 20222122133. The reversal of 20222122112 is 21122122202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17578517056 + 2643605056 = 132584^2 + 51416^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78992537 + ... + 78992792.

Almost surely, 2^20222122112 is an apocalyptic number.

It is an amenable number.

20222122112 is a deficient number, since it is larger than the sum of its proper divisors (20064137038).

20222122112 is an equidigital number, since it uses as much as digits as its factorization.

20222122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157985343 (or 157985331 counting only the distinct ones).

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

Adding to 20222122112 its reverse (21122122202), we get a palindrome (41344244314).

The spelling of 20222122112 in words is "twenty billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred twelve".