10121201011 has 4 divisors (see below), whose sum is σ = 10221411024. Its totient is φ = 10020991000.

The previous prime is 10121201003. The next prime is 10121201033. The reversal of 10121201011 is 11010212101.

10121201011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10121201011 - 2³ = 10121201003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121201071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50104855 + ... + 50105056.

It is an arithmetic number, because the mean of its divisors is an integer number (2555352756).

Almost surely, 2^10121201011 is an apocalyptic number.

10121201011 is a deficient number, since it is larger than the sum of its proper divisors (100210013).

10121201011 is a wasteful number, since it uses less digits than its factorization.

10121201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100210012.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10121201011 its reverse (11010212101), we get a palindrome (21131413112).

The spelling of 10121201011 in words is "ten billion, one hundred twenty-one million, two hundred one thousand, eleven".