11212001101011 has 16 divisors (see below), whose sum is σ = 14974386951680. Its totient is φ = 7462143480960.

The previous prime is 11212001101003. The next prime is 11212001101019. The reversal of 11212001101011 is 11010110021211.

It is an interprime number because it is at equal distance from previous prime (11212001101003) and next prime (11212001101019).

It is not a de Polignac number, because 11212001101011 - 2³ = 11212001101003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212001101019) 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, 21011931 + ... + 21538923.

It is an arithmetic number, because the mean of its divisors is an integer number (935899184480).

Almost surely, 2^{11212001101011} is an apocalyptic number.

11212001101011 is a deficient number, since it is larger than the sum of its proper divisors (3762385850669).

11212001101011 is a wasteful number, since it uses less digits than its factorization.

11212001101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538866.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11212001101011 its reverse (11010110021211), we get a palindrome (22222111122222).

The spelling of 11212001101011 in words is "eleven trillion, two hundred twelve billion, one million, one hundred one thousand, eleven".