100111010 has 8 divisors (see below), whose sum is σ = 180199836. Its totient is φ = 40044400.

The previous prime is 100111007. The next prime is 100111043. The reversal of 100111010 is 10111001.

It can be written as a sum of positive squares in 2 ways, for example, as 92987449 + 7123561 = 9643^2 + 2669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 100110985 and 100111003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5005541 + ... + 5005560.

Almost surely, 2^100111010 is an apocalyptic number.

100111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100111010 is a deficient number, since it is larger than the sum of its proper divisors (80088826).

100111010 is a wasteful number, since it uses less digits than its factorization.

100111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10011108.

The product of its (nonzero) digits is 1, while the sum is 5.

The square root of 100111010 is about 10005.5489604519. The cubic root of 100111010 is about 464.3305741045.

Adding to 100111010 its reverse (10111001), we get a palindrome (110222011).

Subtracting from 100111010 its reverse (10111001), we obtain a palindrome (90000009).

The spelling of 100111010 in words is "one hundred million, one hundred eleven thousand, ten".