1020104111 has 6 divisors (see below), whose sum is σ = 1104609960. Its totient is φ = 941634408.

The previous prime is 1020104101. The next prime is 1020104123. The reversal of 1020104111 is 1114010201.

It is not a de Polignac number, because 1020104111 - 2²⁶ = 952995247 is a prime.

It is a super-2 number, since 2×1020104111² = 2081224794558200642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020104092 and 1020104101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020104101) 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 5 ways as a sum of consecutive naturals, for example, 3017891 + ... + 3018228.

It is an arithmetic number, because the mean of its divisors is an integer number (184101660).

Almost surely, 2^1020104111 is an apocalyptic number.

1020104111 is a deficient number, since it is larger than the sum of its proper divisors (84505849).

1020104111 is an equidigital number, since it uses as much as digits as its factorization.

1020104111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6036145 (or 6036132 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1020104111 is about 31939.0687246826. The cubic root of 1020104111 is about 1006.6569569233.

Adding to 1020104111 its reverse (1114010201), we get a palindrome (2134114312).

The spelling of 1020104111 in words is "one billion, twenty million, one hundred four thousand, one hundred eleven".