1010111009 has 8 divisors (see below), whose sum is σ = 1021974720. Its totient is φ = 998287056.

The previous prime is 1010110967. The next prime is 1010111057. The reversal of 1010111009 is 9001110101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1010111009 - 2¹⁶ = 1010045473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010110984 and 1010111002.

It is not an unprimeable number, because it can be changed into a prime (1010110009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42794 + ... + 62060.

It is an arithmetic number, because the mean of its divisors is an integer number (127746840).

Almost surely, 2^1010111009 is an apocalyptic number.

It is an amenable number.

1010111009 is a deficient number, since it is larger than the sum of its proper divisors (11863711).

1010111009 is a wasteful number, since it uses less digits than its factorization.

1010111009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19879.

The product of its (nonzero) digits is 9, while the sum is 14.

The square root of 1010111009 is about 31782.2436118031. The cubic root of 1010111009 is about 1003.3590405464.

The spelling of 1010111009 in words is "one billion, ten million, one hundred eleven thousand, nine".