2011213320203 has 16 divisors (see below), whose sum is σ = 2030378851200. Its totient is φ = 1992118121280.

The previous prime is 2011213320197. The next prime is 2011213320251. The reversal of 2011213320203 is 3020233121102.

It is a cyclic number.

It is not a de Polignac number, because 2011213320203 - 2¹² = 2011213316107 is a prime.

It is a super-2 number, since 2×2011213320203² (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 (2011213320503) 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, 265994543 + ... + 266002103.

It is an arithmetic number, because the mean of its divisors is an integer number (126898678200).

Almost surely, 2^{2011213320203} is an apocalyptic number.

2011213320203 is a deficient number, since it is larger than the sum of its proper divisors (19165530997).

2011213320203 is a wasteful number, since it uses less digits than its factorization.

2011213320203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11882.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2011213320203 its reverse (3020233121102), we get a palindrome (5031446441305).

The spelling of 2011213320203 in words is "two trillion, eleven billion, two hundred thirteen million, three hundred twenty thousand, two hundred three".