100111011010988 has 24 divisors (see below), whose sum is σ = 176163174227040. Its totient is φ = 49778678597760.

The previous prime is 100111011010987. The next prime is 100111011011057. The reversal of 100111011010988 is 889010110111001.

It is a super-2 number, since 2×100111011010988² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100111011010987) 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, 206411273 + ... + 206895711.

It is an arithmetic number, because the mean of its divisors is an integer number (7340132259460).

Almost surely, 2^{100111011010988} is an apocalyptic number.

It is an amenable number.

100111011010988 is a deficient number, since it is larger than the sum of its proper divisors (76052163216052).

100111011010988 is a wasteful number, since it uses less digits than its factorization.

100111011010988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770057 (or 770055 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 32.

Adding to 100111011010988 its reverse (889010110111001), we get a palindrome (989121121121989).

The spelling of 100111011010988 in words is "one hundred trillion, one hundred eleven billion, eleven million, ten thousand, nine hundred eighty-eight".