20221112202122 has 16 divisors (see below), whose sum is σ = 32953943239560. Its totient is φ = 9250229678592.

The previous prime is 20221112202101. The next prime is 20221112202139. The reversal of 20221112202122 is 22120221112202.

It can be written as a sum of positive squares in 4 ways, for example, as 2281643481121 + 17939468721001 = 1510511^2 + 4235501^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20221112202094 and 20221112202103.

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, 3441302747 + ... + 3441308622.

Almost surely, 2^{20221112202122} is an apocalyptic number.

20221112202122 is a deficient number, since it is larger than the sum of its proper divisors (12732831037438).

20221112202122 is a wasteful number, since it uses less digits than its factorization.

20221112202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6882611497.

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

Adding to 20221112202122 its reverse (22120221112202), we get a palindrome (42341333314324).

The spelling of 20221112202122 in words is "twenty trillion, two hundred twenty-one billion, one hundred twelve million, two hundred two thousand, one hundred twenty-two".