2011231333127 has 2 divisors, whose sum is σ = 2011231333128. Its totient is φ = 2011231333126.

The previous prime is 2011231333073. The next prime is 2011231333157. The reversal of 2011231333127 is 7213331321102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011231333127 - 2¹² = 2011231329031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2011231333127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011231333157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005615666563 + 1005615666564.

It is an arithmetic number, because the mean of its divisors is an integer number (1005615666564).

Almost surely, 2^{2011231333127} is an apocalyptic number.

2011231333127 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011231333127 is an equidigital number, since it uses as much as digits as its factorization.

2011231333127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

Adding to 2011231333127 its reverse (7213331321102), we get a palindrome (9224562654229).

The spelling of 2011231333127 in words is "two trillion, eleven billion, two hundred thirty-one million, three hundred thirty-three thousand, one hundred twenty-seven".