101222261605 has 8 divisors (see below), whose sum is σ = 122145300000. Its totient is φ = 80525418576.

The previous prime is 101222261603. The next prime is 101222261633. The reversal of 101222261605 is 506162222101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101222261605 - 2¹ = 101222261603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222261603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56547855 + ... + 56549644.

It is an arithmetic number, because the mean of its divisors is an integer number (15268162500).

Almost surely, 2^101222261605 is an apocalyptic number.

It is an amenable number.

101222261605 is a deficient number, since it is larger than the sum of its proper divisors (20923038395).

101222261605 is a wasteful number, since it uses less digits than its factorization.

101222261605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113097683.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 101222261605 its reverse (506162222101), we get a palindrome (607384483706).

The spelling of 101222261605 in words is "one hundred one billion, two hundred twenty-two million, two hundred sixty-one thousand, six hundred five".