20210200122122 has 8 divisors (see below), whose sum is σ = 30355136322372. Its totient is φ = 10091821348000.

The previous prime is 20210200122107. The next prime is 20210200122131. The reversal of 20210200122122 is 22122100201202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19785068737681 + 425131384441 = 4448041^2 + 652021^2 .

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 20210200122122.

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, 6639354629 + ... + 6639357672.

Almost surely, 2^{20210200122122} is an apocalyptic number.

20210200122122 is a deficient number, since it is larger than the sum of its proper divisors (10144936200250).

20210200122122 is a wasteful number, since it uses less digits than its factorization.

20210200122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13278713064.

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

Adding to 20210200122122 its reverse (22122100201202), we get a palindrome (42332300323324).

The spelling of 20210200122122 in words is "twenty trillion, two hundred ten billion, two hundred million, one hundred twenty-two thousand, one hundred twenty-two".