20000211001211 has 64 divisors (see below), whose sum is σ = 24231457456128. Its totient is φ = 16138474311168.

The previous prime is 20000211001181. The next prime is 20000211001237. The reversal of 20000211001211 is 11210011200002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20000211001211 is a prime.

It is a super-2 number, since 2×20000211001211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20000211001192 and 20000211001201.

It is not an unprimeable number, because it can be changed into a prime (20000211004211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2284950611 + ... + 2284959363.

It is an arithmetic number, because the mean of its divisors is an integer number (378616522752).

Almost surely, 2^{20000211001211} is an apocalyptic number.

20000211001211 is a deficient number, since it is larger than the sum of its proper divisors (4231246454917).

20000211001211 is a wasteful number, since it uses less digits than its factorization.

20000211001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9720.

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

Adding to 20000211001211 its reverse (11210011200002), we get a palindrome (31210222201213).

The spelling of 20000211001211 in words is "twenty trillion, two hundred eleven million, one thousand, two hundred eleven".