10100999999 has 16 divisors (see below), whose sum is σ = 10762794432. Its totient is φ = 9459698688.

The previous prime is 10100999981. The next prime is 10101000023. The reversal of 10100999999 is 99999900101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10100999999 is a prime.

10100999999 is a modest number, since divided by 999999 gives 10100 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100999929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208067 + ... + 251979.

It is an arithmetic number, because the mean of its divisors is an integer number (672674652).

Almost surely, 2^10100999999 is an apocalyptic number.

10100999999 is a deficient number, since it is larger than the sum of its proper divisors (661794433).

10100999999 is a wasteful number, since it uses less digits than its factorization.

10100999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44146.

The product of its (nonzero) digits is 531441, while the sum is 56.

The spelling of 10100999999 in words is "ten billion, one hundred million, nine hundred ninety-nine thousand, nine hundred ninety-nine".