100100120011211 has 4 divisors (see below), whose sum is σ = 100763034713424. Its totient is φ = 99437205309000.

The previous prime is 100100120011207. The next prime is 100100120011249. The reversal of 100100120011211 is 112110021001001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100100120011211 - 2² = 100100120011207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100100120011192 and 100100120011201.

It is not an unprimeable number, because it can be changed into a prime (100100120011711) by changing a digit.

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, 331457350880 + ... + 331457351181.

It is an arithmetic number, because the mean of its divisors is an integer number (25190758678356).

Almost surely, 2^{100100120011211} is an apocalyptic number.

100100120011211 is a deficient number, since it is larger than the sum of its proper divisors (662914702213).

100100120011211 is an equidigital number, since it uses as much as digits as its factorization.

100100120011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662914702212.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 100100120011211 its reverse (112110021001001), we get a palindrome (212210141012212).

The spelling of 100100120011211 in words is "one hundred trillion, one hundred billion, one hundred twenty million, eleven thousand, two hundred eleven".