101221444424 has 16 divisors (see below), whose sum is σ = 189794113200. Its totient is φ = 50609680912.

The previous prime is 101221444403. The next prime is 101221444427. The reversal of 101221444424 is 424444122101.

It is a super-2 number, since 2×101221444424² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101221444427) 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, 419507 + ... + 615165.

It is an arithmetic number, because the mean of its divisors is an integer number (11862132075).

Almost surely, 2^101221444424 is an apocalyptic number.

It is an amenable number.

101221444424 is a deficient number, since it is larger than the sum of its proper divisors (88572668776).

101221444424 is a wasteful number, since it uses less digits than its factorization.

101221444424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260332 (or 260328 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 101221444424 its reverse (424444122101), we get a palindrome (525665566525).

The spelling of 101221444424 in words is "one hundred one billion, two hundred twenty-one million, four hundred forty-four thousand, four hundred twenty-four".