20020211110011 has 24 divisors (see below), whose sum is σ = 31056420651840. Its totient is φ = 11438402081232.

The previous prime is 20020211109949. The next prime is 20020211110013. The reversal of 20020211110011 is 11001111202002.

It is not a de Polignac number, because 20020211110011 - 2³⁴ = 20003031240827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20020211110013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9247281 + ... + 11205026.

It is an arithmetic number, because the mean of its divisors is an integer number (1294017527160).

Almost surely, 2^{20020211110011} is an apocalyptic number.

20020211110011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20020211110011 is a deficient number, since it is larger than the sum of its proper divisors (11036209541829).

20020211110011 is a wasteful number, since it uses less digits than its factorization.

20020211110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20458983 (or 20458976 counting only the distinct ones).

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

Adding to 20020211110011 its reverse (11001111202002), we get a palindrome (31021322312013).

The spelling of 20020211110011 in words is "twenty trillion, twenty billion, two hundred eleven million, one hundred ten thousand, eleven".