20002002121011 has 32 divisors (see below), whose sum is σ = 27604594851840. Its totient is φ = 12875850027936.

The previous prime is 20002002120983. The next prime is 20002002121019. The reversal of 20002002121011 is 11012120020002.

It is not a de Polignac number, because 20002002121011 - 2⁵ = 20002002120979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20002002121019) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 85260 + ... + 6325446.

It is an arithmetic number, because the mean of its divisors is an integer number (862643589120).

Almost surely, 2^{20002002121011} is an apocalyptic number.

20002002121011 is a deficient number, since it is larger than the sum of its proper divisors (7602592730829).

20002002121011 is a wasteful number, since it uses less digits than its factorization.

20002002121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6240543.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20002002121011 its reverse (11012120020002), we get a palindrome (31014122141013).

The spelling of 20002002121011 in words is "twenty trillion, two billion, two million, one hundred twenty-one thousand, eleven".