100120211210 has 8 divisors (see below), whose sum is σ = 180216380196. Its totient is φ = 40048084480.

The previous prime is 100120211083. The next prime is 100120211227. The reversal of 100120211210 is 12112021001.

It can be written as a sum of positive squares in 2 ways, for example, as 97354608289 + 2765602921 = 312017^2 + 52589^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 100120211191 and 100120211200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5006010551 + ... + 5006010570.

Almost surely, 2^100120211210 is an apocalyptic number.

100120211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100120211210 is a deficient number, since it is larger than the sum of its proper divisors (80096168986).

100120211210 is a wasteful number, since it uses less digits than its factorization.

100120211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10012021128.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100120211210 its reverse (12112021001), we get a palindrome (112232232211).

The spelling of 100120211210 in words is "one hundred billion, one hundred twenty million, two hundred eleven thousand, two hundred ten".