101442205 has 4 divisors (see below), whose sum is σ = 121730652. Its totient is φ = 81153760.

The previous prime is 101442161. The next prime is 101442217. The reversal of 101442205 is 502244101.

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 64609444 + 36832761 = 8038^2 + 6069^2 .

It is not a de Polignac number, because 101442205 - 2¹³ = 101434013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10144216 + ... + 10144225.

It is an arithmetic number, because the mean of its divisors is an integer number (30432663).

Almost surely, 2^101442205 is an apocalyptic number.

It is an amenable number.

101442205 is a deficient number, since it is larger than the sum of its proper divisors (20288447).

101442205 is an equidigital number, since it uses as much as digits as its factorization.

101442205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20288446.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 101442205 is about 10071.8521136879. The cubic root of 101442205 is about 466.3796157021.

Adding to 101442205 its reverse (502244101), we get a palindrome (603686306).

It can be divided in two parts, 10144220 and 5, that added together give a square (10144225 = 3185²).

The spelling of 101442205 in words is "one hundred one million, four hundred forty-two thousand, two hundred five".