1002011100989 has 8 divisors (see below), whose sum is σ = 1061182426560. Its totient is φ = 944140244256.

The previous prime is 1002011100977. The next prime is 1002011101009. The reversal of 1002011100989 is 9890011102001.

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-1002011100989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002011100919) 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, 325115624 + ... + 325118705.

It is an arithmetic number, because the mean of its divisors is an integer number (132647803320).

Almost surely, 2^{1002011100989} is an apocalyptic number.

It is an amenable number.

1002011100989 is a deficient number, since it is larger than the sum of its proper divisors (59171325571).

1002011100989 is an equidigital number, since it uses as much as digits as its factorization.

1002011100989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650234419.

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

The spelling of 1002011100989 in words is "one trillion, two billion, eleven million, one hundred thousand, nine hundred eighty-nine".