20120011000211 has 4 divisors (see below), whose sum is σ = 20120033748000. Its totient is φ = 20119988252424.

The previous prime is 20120011000183. The next prime is 20120011000231. The reversal of 20120011000211 is 11200011002102.

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 20120011000211 - 2¹⁴ = 20120010983827 is a prime.

It is a super-2 number, since 2×20120011000211² (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 = 20120011000192 and 20120011000201.

It is not an unprimeable number, because it can be changed into a prime (20120011000231) 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, 9991136 + ... + 11834813.

It is an arithmetic number, because the mean of its divisors is an integer number (5030008437000).

Almost surely, 2^{20120011000211} is an apocalyptic number.

20120011000211 is a deficient number, since it is larger than the sum of its proper divisors (22747789).

20120011000211 is an equidigital number, since it uses as much as digits as its factorization.

20120011000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22747788.

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

Adding to 20120011000211 its reverse (11200011002102), we get a palindrome (31320022002313).

The spelling of 20120011000211 in words is "twenty trillion, one hundred twenty billion, eleven million, two hundred eleven", and thus it is an aban number.