20000211210001 has 16 divisors (see below), whose sum is σ = 23340011647680. Its totient is φ = 16936062842880.

The previous prime is 20000211209999. The next prime is 20000211210071. The reversal of 20000211210001 is 10001211200002.

It is a cyclic number.

It is not a de Polignac number, because 20000211210001 - 2¹ = 20000211209999 is a prime.

It is a super-3 number, since 3×20000211210001³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20000211210001.

It is not an unprimeable number, because it can be changed into a prime (20000211210071) 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, 551285991 + ... + 551322268.

It is an arithmetic number, because the mean of its divisors is an integer number (1458750727980).

Almost surely, 2^{20000211210001} is an apocalyptic number.

It is an amenable number.

20000211210001 is a deficient number, since it is larger than the sum of its proper divisors (3339800437679).

20000211210001 is a wasteful number, since it uses less digits than its factorization.

20000211210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102608384.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20000211210001 its reverse (10001211200002), we get a palindrome (30001422410003).

Subtracting from 20000211210001 its reverse (10001211200002), we obtain a palindrome (9999000009999).

The spelling of 20000211210001 in words is "twenty trillion, two hundred eleven million, two hundred ten thousand, one".