20011120332311 has 2 divisors, whose sum is σ = 20011120332312. Its totient is φ = 20011120332310.

The previous prime is 20011120332241. The next prime is 20011120332337. The reversal of 20011120332311 is 11323302111002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20011120332311 - 2¹⁰ = 20011120331287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20011120332341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005560166155 + 10005560166156.

It is an arithmetic number, because the mean of its divisors is an integer number (10005560166156).

Almost surely, 2^{20011120332311} is an apocalyptic number.

20011120332311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011120332311 is an equidigital number, since it uses as much as digits as its factorization.

20011120332311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20011120332311 its reverse (11323302111002), we get a palindrome (31334422443313).

The spelling of 20011120332311 in words is "twenty trillion, eleven billion, one hundred twenty million, three hundred thirty-two thousand, three hundred eleven".