101443202101 has 4 divisors (see below), whose sum is σ = 101691229900. Its totient is φ = 101195174304.

The previous prime is 101443202087. The next prime is 101443202173. The reversal of 101443202101 is 101202344101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49401730225 + 52041471876 = 222265^2 + 228126^2 .

It is a cyclic number.

It is not a de Polignac number, because 101443202101 - 2²¹ = 101441104949 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 (101473202101) 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, 124013286 + ... + 124014103.

It is an arithmetic number, because the mean of its divisors is an integer number (25422807475).

Almost surely, 2^101443202101 is an apocalyptic number.

It is an amenable number.

101443202101 is a deficient number, since it is larger than the sum of its proper divisors (248027799).

101443202101 is an equidigital number, since it uses as much as digits as its factorization.

101443202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248027798.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 101443202101 its reverse (101202344101), we get a palindrome (202645546202).

The spelling of 101443202101 in words is "one hundred one billion, four hundred forty-three million, two hundred two thousand, one hundred one".