20003120022311 has 2 divisors, whose sum is σ = 20003120022312. Its totient is φ = 20003120022310.

The previous prime is 20003120022307. The next prime is 20003120022317. The reversal of 20003120022311 is 11322002130002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20003120022311 - 2² = 20003120022307 is a prime.

It is a super-2 number, since 2×20003120022311² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20003120022311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20003120022317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001560011155 + 10001560011156.

It is an arithmetic number, because the mean of its divisors is an integer number (10001560011156).

Almost surely, 2^{20003120022311} is an apocalyptic number.

20003120022311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20003120022311 is an equidigital number, since it uses as much as digits as its factorization.

20003120022311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20003120022311 its reverse (11322002130002), we get a palindrome (31325122152313).

The spelling of 20003120022311 in words is "twenty trillion, three billion, one hundred twenty million, twenty-two thousand, three hundred eleven".