101066111 has 4 divisors (see below), whose sum is σ = 106385400. Its totient is φ = 95746824.

The previous prime is 101066099. The next prime is 101066137. The reversal of 101066111 is 111660101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101066111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101066111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101060111) 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, 2659616 + ... + 2659653.

It is an arithmetic number, because the mean of its divisors is an integer number (26596350).

Almost surely, 2^101066111 is an apocalyptic number.

101066111 is a deficient number, since it is larger than the sum of its proper divisors (5319289).

101066111 is an equidigital number, since it uses as much as digits as its factorization.

101066111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5319288.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 101066111 is about 10053.1642282418. The cubic root of 101066111 is about 465.8025390326.

The spelling of 101066111 in words is "one hundred one million, sixty-six thousand, one hundred eleven".