100111011010 has 16 divisors (see below), whose sum is σ = 180218965176. Its totient is φ = 40040149888.

The previous prime is 100111010977. The next prime is 100111011031. The reversal of 100111011010 is 10110111001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 55010418849 + 45100592161 = 234543^2 + 212369^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100111010984 and 100111011002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432097 + ... + 622036.

Almost surely, 2^100111011010 is an apocalyptic number.

100111011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100111011010 is a deficient number, since it is larger than the sum of its proper divisors (80107954166).

100111011010 is a wasteful number, since it uses less digits than its factorization.

100111011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063637.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 100111011010 its reverse (10110111001), we get a palindrome (110221122011).

Subtracting from 100111011010 its reverse (10110111001), we obtain a palindrome (90000900009).

The spelling of 100111011010 in words is "one hundred billion, one hundred eleven million, eleven thousand, ten".