20002002201111 has 16 divisors (see below), whose sum is σ = 30479322169088. Its totient is φ = 11429685273600.

The previous prime is 20002002201089. The next prime is 20002002201119. The reversal of 20002002201111 is 11110220020002.

It is not a de Polignac number, because 20002002201111 - 2⁵ = 20002002201079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002002201119) 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 15 ways as a sum of consecutive naturals, for example, 8678871 + ... + 10739031.

It is an arithmetic number, because the mean of its divisors is an integer number (1904957635568).

Almost surely, 2^{20002002201111} is an apocalyptic number.

20002002201111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20002002201111 is a deficient number, since it is larger than the sum of its proper divisors (10477319967977).

20002002201111 is a wasteful number, since it uses less digits than its factorization.

20002002201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522502.

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

Adding to 20002002201111 its reverse (11110220020002), we get a palindrome (31112222221113).

The spelling of 20002002201111 in words is "twenty trillion, two billion, two million, two hundred one thousand, one hundred eleven".