2011143240203 has 8 divisors (see below), whose sum is σ = 2012986024560. Its totient is φ = 2009300847840.

The previous prime is 2011143240193. The next prime is 2011143240221. The reversal of 2011143240203 is 3020423411102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2011143240203 - 2¹⁰ = 2011143239179 is a prime.

It is a super-2 number, since 2×2011143240203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011143240103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10710401 + ... + 10896557.

It is an arithmetic number, because the mean of its divisors is an integer number (251623253070).

Almost surely, 2^{2011143240203} is an apocalyptic number.

2011143240203 is a deficient number, since it is larger than the sum of its proper divisors (1842784357).

2011143240203 is a wasteful number, since it uses less digits than its factorization.

2011143240203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195997.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2011143240203 its reverse (3020423411102), we get a palindrome (5031566651305).

The spelling of 2011143240203 in words is "two trillion, eleven billion, one hundred forty-three million, two hundred forty thousand, two hundred three".