22020102122 has 4 divisors (see below), whose sum is σ = 33030153186. Its totient is φ = 11010051060.

The previous prime is 22020102109. The next prime is 22020102127. The reversal of 22020102122 is 22120102022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22120102022 = 2 ⋅11060051011.

It can be written as a sum of positive squares in only one way, i.e., 16297330921 + 5722771201 = 127661^2 + 75649^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22020102097 and 22020102106.

It is not an unprimeable number, because it can be changed into a prime (22020102127) by changing a digit.

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, 5505025529 + ... + 5505025532.

Almost surely, 2^22020102122 is an apocalyptic number.

22020102122 is a deficient number, since it is larger than the sum of its proper divisors (11010051064).

22020102122 is a wasteful number, since it uses less digits than its factorization.

22020102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11010051063.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22020102122 its reverse (22120102022), we get a palindrome (44140204144).

The spelling of 22020102122 in words is "twenty-two billion, twenty million, one hundred two thousand, one hundred twenty-two".