101101420240 has 40 divisors (see below), whose sum is σ = 235092765600. Its totient is φ = 40435069056.

The previous prime is 101101420223. The next prime is 101101420243. The reversal of 101101420240 is 42024101101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101101420243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533847 + ... + 697993.

It is an arithmetic number, because the mean of its divisors is an integer number (5877319140).

Almost surely, 2^101101420240 is an apocalyptic number.

101101420240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101101420240 is an abundant number, since it is smaller than the sum of its proper divisors (133991345360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101101420240 is a wasteful number, since it uses less digits than its factorization.

101101420240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171859 (or 171853 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101101420240 its reverse (42024101101), we get a palindrome (143125521341).

The spelling of 101101420240 in words is "one hundred one billion, one hundred one million, four hundred twenty thousand, two hundred forty".