2011233323101 has 4 divisors (see below), whose sum is σ = 2011281812892. Its totient is φ = 2011184833312.

The previous prime is 2011233323081. The next prime is 2011233323123. The reversal of 2011233323101 is 1013233321102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 691847987076 + 1319385336025 = 831774^2 + 1148645^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011233323101 - 2²³ = 2011224934493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011233323201) 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 3 ways as a sum of consecutive naturals, for example, 24182626 + ... + 24265651.

It is an arithmetic number, because the mean of its divisors is an integer number (502820453223).

Almost surely, 2^{2011233323101} is an apocalyptic number.

It is an amenable number.

2011233323101 is a deficient number, since it is larger than the sum of its proper divisors (48489791).

2011233323101 is an equidigital number, since it uses as much as digits as its factorization.

2011233323101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48489790.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2011233323101 its reverse (1013233321102), we get a palindrome (3024466644203).

The spelling of 2011233323101 in words is "two trillion, eleven billion, two hundred thirty-three million, three hundred twenty-three thousand, one hundred one".