11212203012011 has 2 divisors, whose sum is σ = 11212203012012. Its totient is φ = 11212203012010.

The previous prime is 11212203011993. The next prime is 11212203012037. The reversal of 11212203012011 is 11021030221211.

It is a happy number.

11212203012011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11212203012011 is a prime.

It is a super-2 number, since 2×11212203012011² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11212203014011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606101506005 + 5606101506006.

It is an arithmetic number, because the mean of its divisors is an integer number (5606101506006).

Almost surely, 2^{11212203012011} is an apocalyptic number.

11212203012011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212203012011 is an equidigital number, since it uses as much as digits as its factorization.

11212203012011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11212203012011 its reverse (11021030221211), we get a palindrome (22233233233222).

The spelling of 11212203012011 in words is "eleven trillion, two hundred twelve billion, two hundred three million, twelve thousand, eleven".