20001211130122 has 16 divisors (see below), whose sum is σ = 31581630293760. Its totient is φ = 9474026719392.

The previous prime is 20001211130071. The next prime is 20001211130239. The reversal of 20001211130122 is 22103111210002.

It is a junction number, because it is equal to n+sod(n) for n = 20001211130096 and 20001211130105.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4838938 + ... + 7963525.

It is an arithmetic number, because the mean of its divisors is an integer number (1973851893360).

Almost surely, 2^{20001211130122} is an apocalyptic number.

20001211130122 is a deficient number, since it is larger than the sum of its proper divisors (11580419163638).

20001211130122 is a wasteful number, since it uses less digits than its factorization.

20001211130122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12843597.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20001211130122 its reverse (22103111210002), we get a palindrome (42104322340124).

The spelling of 20001211130122 in words is "twenty trillion, one billion, two hundred eleven million, one hundred thirty thousand, one hundred twenty-two".