100000120012011 has 16 divisors (see below), whose sum is σ = 148521495546400. Its totient is φ = 66498820353504.

The previous prime is 100000120011991. The next prime is 100000120012069. The reversal of 100000120012011 is 110210021000001.

It is a happy number.

It is not a de Polignac number, because 100000120012011 - 2⁹ = 100000120011499 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100000120011984 and 100000120012002.

It is not an unprimeable number, because it can be changed into a prime (100000120002011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4664609116 + ... + 4664630553.

It is an arithmetic number, because the mean of its divisors is an integer number (9282593471650).

Almost surely, 2^{100000120012011} is an apocalyptic number.

100000120012011 is a deficient number, since it is larger than the sum of its proper divisors (48521375534389).

100000120012011 is an equidigital number, since it uses as much as digits as its factorization.

100000120012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9329240075 (or 9329240069 counting only the distinct ones).

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

Adding to 100000120012011 its reverse (110210021000001), we get a palindrome (210210141012012).

The spelling of 100000120012011 in words is "one hundred trillion, one hundred twenty million, twelve thousand, eleven".