20020211210011 has 8 divisors (see below), whose sum is σ = 20361242836800. Its totient is φ = 19679236450440.

The previous prime is 20020211209931. The next prime is 20020211210023. The reversal of 20020211210011 is 11001211202002.

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 20020211210011 - 2¹³ = 20020211201819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20020211209973 and 20020211210000.

It is not an unprimeable number, because it can be changed into a prime (20020211210911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13506405 + ... + 14915206.

It is an arithmetic number, because the mean of its divisors is an integer number (2545155354600).

Almost surely, 2^{20020211210011} is an apocalyptic number.

20020211210011 is a deficient number, since it is larger than the sum of its proper divisors (341031626789).

20020211210011 is a wasteful number, since it uses less digits than its factorization.

20020211210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28433609.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20020211210011 its reverse (11001211202002), we get a palindrome (31021422412013).

The spelling of 20020211210011 in words is "twenty trillion, twenty billion, two hundred eleven million, two hundred ten thousand, eleven".