11011210001203 has 2 divisors, whose sum is σ = 11011210001204. Its totient is φ = 11011210001202.

The previous prime is 11011210001201. The next prime is 11011210001219. The reversal of 11011210001203 is 30210001211011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11011210001203 - 2¹ = 11011210001201 is a prime.

It is a super-2 number, since 2×11011210001203² (a number of 27 digits) contains 22 as substring.

Together with 11011210001201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11011210001201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505605000601 + 5505605000602.

It is an arithmetic number, because the mean of its divisors is an integer number (5505605000602).

Almost surely, 2^{11011210001203} is an apocalyptic number.

11011210001203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011210001203 is an equidigital number, since it uses as much as digits as its factorization.

11011210001203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11011210001203 its reverse (30210001211011), we get a palindrome (41221211212214).

The spelling of 11011210001203 in words is "eleven trillion, eleven billion, two hundred ten million, one thousand, two hundred three".