101101010099966 has 4 divisors (see below), whose sum is σ = 151651515149952. Its totient is φ = 50550505049982.

The previous prime is 101101010099959. The next prime is 101101010099989. The reversal of 101101010099966 is 669990010101101.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25275252524990 + ... + 25275252524993.

It is an arithmetic number, because the mean of its divisors is an integer number (37912878787488).

Almost surely, 2^{101101010099966} is an apocalyptic number.

101101010099966 is a deficient number, since it is larger than the sum of its proper divisors (50550505049986).

101101010099966 is an equidigital number, since it uses as much as digits as its factorization.

101101010099966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50550505049985.

The product of its (nonzero) digits is 26244, while the sum is 44.

The spelling of 101101010099966 in words is "one hundred one trillion, one hundred one billion, ten million, ninety-nine thousand, nine hundred sixty-six".