20001001011122 has 8 divisors (see below), whose sum is σ = 31305914626176. Its totient is φ = 9565696135732.

The previous prime is 20001001011119. The next prime is 20001001011127. The reversal of 20001001011122 is 22111010010002.

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

It is not an unprimeable number, because it can be changed into a prime (20001001011127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217402184858 + ... + 217402184949.

It is an arithmetic number, because the mean of its divisors is an integer number (3913239328272).

Almost surely, 2^{20001001011122} is an apocalyptic number.

20001001011122 is a deficient number, since it is larger than the sum of its proper divisors (11304913615054).

20001001011122 is a wasteful number, since it uses less digits than its factorization.

20001001011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434804369832.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20001001011122 its reverse (22111010010002), we get a palindrome (42112011021124).

The spelling of 20001001011122 in words is "twenty trillion, one billion, one million, eleven thousand, one hundred twenty-two".