1000002111989 has 8 divisors (see below), whose sum is σ = 1001522600352. Its totient is φ = 998482211280.

The previous prime is 1000002111947. The next prime is 1000002112003. The reversal of 1000002111989 is 9891112000001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000002111989 is a prime.

It is a super-2 number, since 2×1000002111989² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000002111089) 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, 3321074 + ... + 3609644.

It is an arithmetic number, because the mean of its divisors is an integer number (125190325044).

Almost surely, 2^{1000002111989} is an apocalyptic number.

It is an amenable number.

1000002111989 is a deficient number, since it is larger than the sum of its proper divisors (1520488363).

1000002111989 is an equidigital number, since it uses as much as digits as its factorization.

1000002111989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293827.

The product of its (nonzero) digits is 1296, while the sum is 32.

The spelling of 1000002111989 in words is "one trillion, two million, one hundred eleven thousand, nine hundred eighty-nine".