20002211011011 has 8 divisors (see below), whose sum is σ = 26682430458384. Its totient is φ = 13328399452160.

The previous prime is 20002211010983. The next prime is 20002211011063. The reversal of 20002211011011 is 11011011220002.

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

It is a cyclic number.

It is not a de Polignac number, because 20002211011011 - 2¹⁹ = 20002210486723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20002211010011) 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 7 ways as a sum of consecutive naturals, for example, 1601964846 + ... + 1601977331.

It is an arithmetic number, because the mean of its divisors is an integer number (3335303807298).

Almost surely, 2^{20002211011011} is an apocalyptic number.

20002211011011 is a deficient number, since it is larger than the sum of its proper divisors (6680219447373).

20002211011011 is a wasteful number, since it uses less digits than its factorization.

20002211011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203944261.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20002211011011 its reverse (11011011220002), we get a palindrome (31013222231013).

The spelling of 20002211011011 in words is "twenty trillion, two billion, two hundred eleven million, eleven thousand, eleven".