101243216101 has 4 divisors (see below), whose sum is σ = 101849463072. Its totient is φ = 100636969132.

The previous prime is 101243216047. The next prime is 101243216119. The reversal of 101243216101 is 101612342101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101243216101 - 2⁷ = 101243215973 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 (101243216171) 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, 303123235 + ... + 303123568.

It is an arithmetic number, because the mean of its divisors is an integer number (25462365768).

Almost surely, 2^101243216101 is an apocalyptic number.

It is an amenable number.

101243216101 is a deficient number, since it is larger than the sum of its proper divisors (606246971).

101243216101 is an equidigital number, since it uses as much as digits as its factorization.

101243216101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606246970.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 101243216101 its reverse (101612342101), we get a palindrome (202855558202).

The spelling of 101243216101 in words is "one hundred one billion, two hundred forty-three million, two hundred sixteen thousand, one hundred one".