11212202101011 has 4 divisors (see below), whose sum is σ = 14949602801352. Its totient is φ = 7474801400672.

The previous prime is 11212202100997. The next prime is 11212202101063. The reversal of 11212202101011 is 11010120221211.

It is a happy number.

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 11212202101011 - 2⁶ = 11212202100947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11212202108011) 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, 1868700350166 + ... + 1868700350171.

It is an arithmetic number, because the mean of its divisors is an integer number (3737400700338).

Almost surely, 2^{11212202101011} is an apocalyptic number.

11212202101011 is a deficient number, since it is larger than the sum of its proper divisors (3737400700341).

11212202101011 is an equidigital number, since it uses as much as digits as its factorization.

11212202101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3737400700340.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11212202101011 its reverse (11010120221211), we get a palindrome (22222322322222).

The spelling of 11212202101011 in words is "eleven trillion, two hundred twelve billion, two hundred two million, one hundred one thousand, eleven".