11001010001211 has 12 divisors (see below), whose sum is σ = 15956834593440. Its totient is φ = 7303320445680.

The previous prime is 11001010001209. The next prime is 11001010001221. The reversal of 11001010001211 is 11210001010011.

It is not a de Polignac number, because 11001010001211 - 2¹ = 11001010001209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11001010001193 and 11001010001202.

It is not an unprimeable number, because it can be changed into a prime (11001010001221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2557182880 + ... + 2557187181.

It is an arithmetic number, because the mean of its divisors is an integer number (1329736216120).

Almost surely, 2^{11001010001211} is an apocalyptic number.

11001010001211 is a deficient number, since it is larger than the sum of its proper divisors (4955824592229).

11001010001211 is a wasteful number, since it uses less digits than its factorization.

11001010001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114370306 (or 5114370303 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11001010001211 its reverse (11210001010011), we get a palindrome (22211011011222).

The spelling of 11001010001211 in words is "eleven trillion, one billion, ten million, one thousand, two hundred eleven".