1101103203133 has 2 divisors, whose sum is σ = 1101103203134. Its totient is φ = 1101103203132.

The previous prime is 1101103203131. The next prime is 1101103203139. The reversal of 1101103203133 is 3313023011011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 810147606724 + 290955596409 = 900082^2 + 539403^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101103203133 - 2¹ = 1101103203131 is a prime.

It is a super-2 number, since 2×1101103203133² (a number of 25 digits) contains 22 as substring.

Together with 1101103203131, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1101103203133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101103203131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550551601566 + 550551601567.

It is an arithmetic number, because the mean of its divisors is an integer number (550551601567).

Almost surely, 2^{1101103203133} is an apocalyptic number.

It is an amenable number.

1101103203133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101103203133 is an equidigital number, since it uses as much as digits as its factorization.

1101103203133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1101103203133 its reverse (3313023011011), we get a palindrome (4414126214144).

The spelling of 1101103203133 in words is "one trillion, one hundred one billion, one hundred three million, two hundred three thousand, one hundred thirty-three".