10101101099966 has 4 divisors (see below), whose sum is σ = 15151651649952. Its totient is φ = 5050550549982.

The previous prime is 10101101099963. The next prime is 10101101099983. The reversal of 10101101099966 is 66999010110101.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101101099963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525275274990 + ... + 2525275274993.

It is an arithmetic number, because the mean of its divisors is an integer number (3787912912488).

Almost surely, 2^{10101101099966} is an apocalyptic number.

10101101099966 is a deficient number, since it is larger than the sum of its proper divisors (5050550549986).

10101101099966 is an equidigital number, since it uses as much as digits as its factorization.

10101101099966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050550549985.

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

The spelling of 10101101099966 in words is "ten trillion, one hundred one billion, one hundred one million, ninety-nine thousand, nine hundred sixty-six".