101442244551 has 4 divisors (see below), whose sum is σ = 135256326072. Its totient is φ = 67628163032.

The previous prime is 101442244523. The next prime is 101442244573. The reversal of 101442244551 is 155442244101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155442244101 = 3 ⋅51814081367.

It is a cyclic number.

It is not a de Polignac number, because 101442244551 - 2¹³ = 101442236359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101442244591) 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, 16907040756 + ... + 16907040761.

It is an arithmetic number, because the mean of its divisors is an integer number (33814081518).

Almost surely, 2^101442244551 is an apocalyptic number.

101442244551 is a deficient number, since it is larger than the sum of its proper divisors (33814081521).

101442244551 is an equidigital number, since it uses as much as digits as its factorization.

101442244551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33814081520.

The product of its (nonzero) digits is 25600, while the sum is 33.

Adding to 101442244551 its reverse (155442244101), we get a palindrome (256884488652).

The spelling of 101442244551 in words is "one hundred one billion, four hundred forty-two million, two hundred forty-four thousand, five hundred fifty-one".