10121000011 has 4 divisors (see below), whose sum is σ = 10160381592. Its totient is φ = 10081618432.

The previous prime is 10120999991. The next prime is 10121000023. The reversal of 10121000011 is 11000012101.

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 10121000011 - 2⁵ = 10120999979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10120999958 and 10121000003.

It is not an unprimeable number, because it can be changed into a prime (10121000611) 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, 19690405 + ... + 19690918.

It is an arithmetic number, because the mean of its divisors is an integer number (2540095398).

Almost surely, 2^10121000011 is an apocalyptic number.

10121000011 is a deficient number, since it is larger than the sum of its proper divisors (39381581).

10121000011 is an equidigital number, since it uses as much as digits as its factorization.

10121000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39381580.

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

Adding to 10121000011 its reverse (11000012101), we get a palindrome (21121012112).

The spelling of 10121000011 in words is "ten billion, one hundred twenty-one million, eleven", and thus it is an aban number.