1010999999999 has 4 divisors (see below), whose sum is σ = 1102909090920. Its totient is φ = 919090909080.

The previous prime is 1010999999957. The next prime is 1011000000007. The reversal of 1010999999999 is 9999999990101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1010999999999 - 2¹⁶ = 1010999934463 is a prime.

It is a Duffinian number.

1010999999999 is a modest number, since divided by 9999999 gives 101099 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010999999939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45954545444 + ... + 45954545465.

It is an arithmetic number, because the mean of its divisors is an integer number (275727272730).

Almost surely, 2^{1010999999999} is an apocalyptic number.

1010999999999 is a deficient number, since it is larger than the sum of its proper divisors (91909090921).

1010999999999 is an equidigital number, since it uses as much as digits as its factorization.

1010999999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91909090920.

The product of its (nonzero) digits is 387420489, while the sum is 83.

The spelling of 1010999999999 in words is "one trillion, ten billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".