20210122200122 has 8 divisors (see below), whose sum is σ = 30316025520000. Its totient is φ = 10104780360124.

The previous prime is 20210122200091. The next prime is 20210122200157. The reversal of 20210122200122 is 22100222101202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20210122200122.

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 3 ways as a sum of consecutive naturals, for example, 140279972 + ... + 140423967.

It is an arithmetic number, because the mean of its divisors is an integer number (3789503190000).

Almost surely, 2^{20210122200122} is an apocalyptic number.

20210122200122 is a deficient number, since it is larger than the sum of its proper divisors (10105903319878).

20210122200122 is a wasteful number, since it uses less digits than its factorization.

20210122200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280739940.

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

Adding to 20210122200122 its reverse (22100222101202), we get a palindrome (42310344301324).

The spelling of 20210122200122 in words is "twenty trillion, two hundred ten billion, one hundred twenty-two million, two hundred thousand, one hundred twenty-two".