11212102211603 has 2 divisors, whose sum is σ = 11212102211604. Its totient is φ = 11212102211602.

The previous prime is 11212102211599. The next prime is 11212102211627. The reversal of 11212102211603 is 30611220121211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11212102211603 - 2² = 11212102211599 is a prime.

It is a super-2 number, since 2×11212102211603² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11212102211633) 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 as a sum of consecutive naturals, namely, 5606051105801 + 5606051105802.

It is an arithmetic number, because the mean of its divisors is an integer number (5606051105802).

Almost surely, 2^{11212102211603} is an apocalyptic number.

11212102211603 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212102211603 is an equidigital number, since it uses as much as digits as its factorization.

11212102211603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 11212102211603 its reverse (30611220121211), we get a palindrome (41823322332814).

The spelling of 11212102211603 in words is "eleven trillion, two hundred twelve billion, one hundred two million, two hundred eleven thousand, six hundred three".