1021101010999 has 8 divisors (see below), whose sum is σ = 1036381732848. Its totient is φ = 1005821477760.

The previous prime is 1021101010957. The next prime is 1021101011003. The reversal of 1021101010999 is 9990101011201.

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 1021101010999 - 2⁹ = 1021101010487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021101010939) 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, 1515999 + ... + 2083375.

It is an arithmetic number, because the mean of its divisors is an integer number (129547716606).

Almost surely, 2^{1021101010999} is an apocalyptic number.

1021101010999 is a deficient number, since it is larger than the sum of its proper divisors (15280721849).

1021101010999 is an equidigital number, since it uses as much as digits as its factorization.

1021101010999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594305.

The product of its (nonzero) digits is 1458, while the sum is 34.

The spelling of 1021101010999 in words is "one trillion, twenty-one billion, one hundred one million, ten thousand, nine hundred ninety-nine".