11212102012001 has 4 divisors (see below), whose sum is σ = 12231384013104. Its totient is φ = 10192820010900.

The previous prime is 11212102011989. The next prime is 11212102012003. The reversal of 11212102012001 is 10021020121211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11212102012001 - 2⁶ = 11212102011937 is a prime.

It is a super-2 number, since 2×11212102012001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212102012003) 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 3 ways as a sum of consecutive naturals, for example, 509641000535 + ... + 509641000556.

It is an arithmetic number, because the mean of its divisors is an integer number (3057846003276).

Almost surely, 2^{11212102012001} is an apocalyptic number.

11212102012001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11212102012001 is a deficient number, since it is larger than the sum of its proper divisors (1019282001103).

11212102012001 is a wasteful number, since it uses less digits than its factorization.

11212102012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019282001102.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11212102012001 its reverse (10021020121211), we get a palindrome (21233122133212).

The spelling of 11212102012001 in words is "eleven trillion, two hundred twelve billion, one hundred two million, twelve thousand, one".