20201100010211 has 4 divisors (see below), whose sum is σ = 20325033139272. Its totient is φ = 20077166881152.

The previous prime is 20201100010207. The next prime is 20201100010229. The reversal of 20201100010211 is 11201000110202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20201100010211 - 2² = 20201100010207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20201100010192 and 20201100010201.

It is not an unprimeable number, because it can be changed into a prime (20201100010241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61966564286 + ... + 61966564611.

It is an arithmetic number, because the mean of its divisors is an integer number (5081258284818).

Almost surely, 2^{20201100010211} is an apocalyptic number.

20201100010211 is a deficient number, since it is larger than the sum of its proper divisors (123933129061).

20201100010211 is a wasteful number, since it uses less digits than its factorization.

20201100010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123933129060.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20201100010211 its reverse (11201000110202), we get a palindrome (31402100120413).

Subtracting from 20201100010211 its reverse (11201000110202), we obtain a palindrome (9000099900009).

The spelling of 20201100010211 in words is "twenty trillion, two hundred one billion, one hundred million, ten thousand, two hundred eleven".