20002121001122 has 32 divisors (see below), whose sum is σ = 32681829734400. Its totient is φ = 9126216537408.

The previous prime is 20002121001043. The next prime is 20002121001143. The reversal of 20002121001122 is 22110012120002.

It is a junction number, because it is equal to n+sod(n) for n = 20002121001097 and 20002121001106.

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 15 ways as a sum of consecutive naturals, for example, 6794498 + ... + 9282749.

It is an arithmetic number, because the mean of its divisors is an integer number (1021307179200).

Almost surely, 2^{20002121001122} is an apocalyptic number.

20002121001122 is a deficient number, since it is larger than the sum of its proper divisors (12679708733278).

20002121001122 is a wasteful number, since it uses less digits than its factorization.

20002121001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16077810.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20002121001122 its reverse (22110012120002), we get a palindrome (42112133121124).

The spelling of 20002121001122 in words is "twenty trillion, two billion, one hundred twenty-one million, one thousand, one hundred twenty-two".