20002201121122 has 12 divisors (see below), whose sum is σ = 32978835733158. Its totient is φ = 9091909600400.

The previous prime is 20002201121117. The next prime is 20002201121129. The reversal of 20002201121122 is 22112110220002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16262661224601 + 3739539896521 = 4032699^2 + 1933789^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20002201121096 and 20002201121105.

It is not an unprimeable number, because it can be changed into a prime (20002201121129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41326861579 + ... + 41326862062.

Almost surely, 2^{20002201121122} is an apocalyptic number.

20002201121122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20002201121122 is a deficient number, since it is larger than the sum of its proper divisors (12976634612036).

20002201121122 is a wasteful number, since it uses less digits than its factorization.

20002201121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82653723665 (or 82653723654 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20002201121122 its reverse (22112110220002), we get a palindrome (42114311341124).

The spelling of 20002201121122 in words is "twenty trillion, two billion, two hundred one million, one hundred twenty-one thousand, one hundred twenty-two".