22002020121122 has 4 divisors (see below), whose sum is σ = 33003030181686. Its totient is φ = 11001010060560.

The previous prime is 22002020121049. The next prime is 22002020121157. The reversal of 22002020121122 is 22112102020022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21976490792281 + 25529328841 = 4687909^2 + 159779^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22002020121122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500505030279 + ... + 5500505030282.

Almost surely, 2^{22002020121122} is an apocalyptic number.

22002020121122 is a deficient number, since it is larger than the sum of its proper divisors (11001010060564).

22002020121122 is a wasteful number, since it uses less digits than its factorization.

22002020121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11001010060563.

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

Adding to 22002020121122 its reverse (22112102020022), we get a palindrome (44114122141144).

The spelling of 22002020121122 in words is "twenty-two trillion, two billion, twenty million, one hundred twenty-one thousand, one hundred twenty-two".