100120210011 has 12 divisors (see below), whose sum is σ = 147981292888. Its totient is φ = 65194555104.

The previous prime is 100120209997. The next prime is 100120210019. The reversal of 100120210011 is 110012021001.

It is a happy number.

It is not a de Polignac number, because 100120210011 - 2⁹ = 100120209499 is a prime.

It is a super-3 number, since 3×100120210011³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 100120209975 and 100120210002.

It is not an unprimeable number, because it can be changed into a prime (100120210019) 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, 129353890 + ... + 129354663.

Almost surely, 2^100120210011 is an apocalyptic number.

100120210011 is a deficient number, since it is larger than the sum of its proper divisors (47861082877).

100120210011 is a wasteful number, since it uses less digits than its factorization.

100120210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258708602 (or 258708599 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 100120210011 its reverse (110012021001), we get a palindrome (210132231012).

The spelling of 100120210011 in words is "one hundred billion, one hundred twenty million, two hundred ten thousand, eleven".