1001111010009 has 16 divisors (see below), whose sum is σ = 1457275656960. Its totient is φ = 606269700560.

The previous prime is 1001111009981. The next prime is 1001111010013. The reversal of 1001111010009 is 9000101111001.

It is a cyclic number.

It is not a de Polignac number, because 1001111010009 - 2¹² = 1001111005913 is a prime.

It is a super-2 number, since 2×1001111010009² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1001111010009.

It is not an unprimeable number, because it can be changed into a prime (1001111010209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11562339 + ... + 11648600.

It is an arithmetic number, because the mean of its divisors is an integer number (91079728560).

Almost surely, 2^{1001111010009} is an apocalyptic number.

It is an amenable number.

1001111010009 is a deficient number, since it is larger than the sum of its proper divisors (456164646951).

1001111010009 is a wasteful number, since it uses less digits than its factorization.

1001111010009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23212260.

The product of its (nonzero) digits is 9, while the sum is 15.

The spelling of 1001111010009 in words is "one trillion, one billion, one hundred eleven million, ten thousand, nine".