1203011303011 has 16 divisors (see below), whose sum is σ = 1448057497600. Its totient is φ = 976323907008.

The previous prime is 1203011303009. The next prime is 1203011303027. The reversal of 1203011303011 is 1103031103021.

It is a cyclic number.

It is not a de Polignac number, because 1203011303011 - 2¹ = 1203011303009 is a prime.

It is a super-2 number, since 2×1203011303011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1203011303041) 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 15 ways as a sum of consecutive naturals, for example, 2346771 + ... + 2813068.

It is an arithmetic number, because the mean of its divisors is an integer number (90503593600).

Almost surely, 2^{1203011303011} is an apocalyptic number.

1203011303011 is a deficient number, since it is larger than the sum of its proper divisors (245046194589).

1203011303011 is a wasteful number, since it uses less digits than its factorization.

1203011303011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5161618.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1203011303011 its reverse (1103031103021), we get a palindrome (2306042406032).

The spelling of 1203011303011 in words is "one trillion, two hundred three billion, eleven million, three hundred three thousand, eleven".