101010999999 has 128 divisors (see below), whose sum is σ = 185391360000. Its totient is φ = 47415932928.

The previous prime is 101010999997. The next prime is 101011000133. The reversal of 101010999999 is 999999010101.

It is not a de Polignac number, because 101010999999 - 2¹ = 101010999997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

101010999999 is a modest number, since divided by 999999 gives 101010 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010999997) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5556577 + ... + 5574725.

It is an arithmetic number, because the mean of its divisors is an integer number (1448370000).

Almost surely, 2^101010999999 is an apocalyptic number.

101010999999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

101010999999 is a deficient number, since it is larger than the sum of its proper divisors (84380360001).

101010999999 is a wasteful number, since it uses less digits than its factorization.

101010999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18257.

The product of its (nonzero) digits is 531441, while the sum is 57.

The spelling of 101010999999 in words is "one hundred one billion, ten million, nine hundred ninety-nine thousand, nine hundred ninety-nine".