100121000011 has 4 divisors (see below), whose sum is σ = 104474086992. Its totient is φ = 95767913032.

The previous prime is 100120999991. The next prime is 100121000029. The reversal of 100121000011 is 110000121001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110000121001 = 17 ⋅6470595353.

It is a cyclic number.

It is not a de Polignac number, because 100121000011 - 2⁹ = 100120999499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100120999958 and 100121000003.

It is not an unprimeable number, because it can be changed into a prime (100121000041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2176543456 + ... + 2176543501.

It is an arithmetic number, because the mean of its divisors is an integer number (26118521748).

Almost surely, 2^100121000011 is an apocalyptic number.

100121000011 is a deficient number, since it is larger than the sum of its proper divisors (4353086981).

100121000011 is an equidigital number, since it uses as much as digits as its factorization.

100121000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4353086980.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 100121000011 its reverse (110000121001), we get a palindrome (210121121012).

The spelling of 100121000011 in words is "one hundred billion, one hundred twenty-one million, eleven", and thus it is an aban number.