1101020311 has 2 divisors, whose sum is σ = 1101020312. Its totient is φ = 1101020310.

The previous prime is 1101020287. The next prime is 1101020339. The reversal of 1101020311 is 1130201011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101020311 - 2⁷ = 1101020183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101020111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550510155 + 550510156.

It is an arithmetic number, because the mean of its divisors is an integer number (550510156).

Almost surely, 2^1101020311 is an apocalyptic number.

1101020311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101020311 is an equidigital number, since it uses as much as digits as its factorization.

1101020311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1101020311 is about 33181.6261054217. The cubic root of 1101020311 is about 1032.5991825098.

Adding to 1101020311 its reverse (1130201011), we get a palindrome (2231221322).

The spelling of 1101020311 in words is "one billion, one hundred one million, twenty thousand, three hundred eleven".