1101005012 has 12 divisors (see below), whose sum is σ = 1928163636. Its totient is φ = 550101120.

The previous prime is 1101005011. The next prime is 1101005057. The reversal of 1101005012 is 2105001011.

It can be written as a sum of positive squares in 2 ways, for example, as 639786436 + 461218576 = 25294^2 + 21476^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1101004984 and 1101005002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101005011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94133 + ... + 105180.

It is an arithmetic number, because the mean of its divisors is an integer number (160680303).

Almost surely, 2^1101005012 is an apocalyptic number.

It is an amenable number.

1101005012 is a deficient number, since it is larger than the sum of its proper divisors (827158624).

1101005012 is a wasteful number, since it uses less digits than its factorization.

1101005012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200698 (or 200696 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 1101005012 is about 33181.3955704096. The cubic root of 1101005012 is about 1032.5943997315.

Adding to 1101005012 its reverse (2105001011), we get a palindrome (3206006023).

The spelling of 1101005012 in words is "one billion, one hundred one million, five thousand, twelve".