101420663645 has 16 divisors (see below), whose sum is σ = 139165388928. Its totient is φ = 69508501440.

The previous prime is 101420663623. The next prime is 101420663653. The reversal of 101420663645 is 546366024101.

It is not a de Polignac number, because 101420663645 - 2⁶ = 101420663581 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101420663599 and 101420663608.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 706211 + ... + 837600.

It is an arithmetic number, because the mean of its divisors is an integer number (8697836808).

Almost surely, 2^101420663645 is an apocalyptic number.

It is an amenable number.

101420663645 is a deficient number, since it is larger than the sum of its proper divisors (37744725283).

101420663645 is a wasteful number, since it uses less digits than its factorization.

101420663645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545700.

The product of its (nonzero) digits is 103680, while the sum is 38.

Adding to 101420663645 its reverse (546366024101), we get a palindrome (647786687746).

The spelling of 101420663645 in words is "one hundred one billion, four hundred twenty million, six hundred sixty-three thousand, six hundred forty-five".