10001100998 has 24 divisors (see below), whose sum is σ = 17630823672. Its totient is φ = 4241994624.

The previous prime is 10001100997. The next prime is 10001101009. The reversal of 10001100998 is 89900110001.

It is a self number, because there is not a number n which added to its sum of digits gives 10001100998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001100997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 516536 + ... + 535547.

It is an arithmetic number, because the mean of its divisors is an integer number (734617653).

Almost surely, 2^10001100998 is an apocalyptic number.

10001100998 is a deficient number, since it is larger than the sum of its proper divisors (7629722674).

10001100998 is a wasteful number, since it uses less digits than its factorization.

10001100998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052196 (or 1052189 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 29.

Adding to 10001100998 its reverse (89900110001), we get a palindrome (99901210999).

The spelling of 10001100998 in words is "ten billion, one million, one hundred thousand, nine hundred ninety-eight".