20012101210211 has 16 divisors (see below), whose sum is σ = 22451177369088. Its totient is φ = 17682740181600.

The previous prime is 20012101210141. The next prime is 20012101210217. The reversal of 20012101210211 is 11201210121002.

It is not a de Polignac number, because 20012101210211 - 2¹⁰ = 20012101209187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012101210217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160339835 + ... + 160464596.

It is an arithmetic number, because the mean of its divisors is an integer number (1403198585568).

Almost surely, 2^{20012101210211} is an apocalyptic number.

20012101210211 is a deficient number, since it is larger than the sum of its proper divisors (2439076158877).

20012101210211 is a wasteful number, since it uses less digits than its factorization.

20012101210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320804602.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20012101210211 its reverse (11201210121002), we get a palindrome (31213311331213).

The spelling of 20012101210211 in words is "twenty trillion, twelve billion, one hundred one million, two hundred ten thousand, two hundred eleven".