10121066111 has 8 divisors (see below), whose sum is σ = 11165454384. Its totient is φ = 9114655680.

The previous prime is 10121066107. The next prime is 10121066113. The reversal of 10121066111 is 11166012101.

It is a happy number.

10121066111 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10121066111 - 2² = 10121066107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121066113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9493901 + ... + 9494966.

It is an arithmetic number, because the mean of its divisors is an integer number (1395681798).

Almost surely, 2^10121066111 is an apocalyptic number.

10121066111 is a deficient number, since it is larger than the sum of its proper divisors (1044388273).

10121066111 is a wasteful number, since it uses less digits than its factorization.

10121066111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18988921.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 10121066111 its reverse (11166012101), we get a palindrome (21287078212).

The spelling of 10121066111 in words is "ten billion, one hundred twenty-one million, sixty-six thousand, one hundred eleven".