101222021108 has 12 divisors (see below), whose sum is σ = 190764578340. Its totient is φ = 46717855872.

The previous prime is 101222021101. The next prime is 101222021111. The reversal of 101222021108 is 801120222101.

It can be written as a sum of positive squares in 2 ways, for example, as 7511342224 + 93710678884 = 86668^2 + 306122^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101222021108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222021101) 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, 973288613 + ... + 973288716.

It is an arithmetic number, because the mean of its divisors is an integer number (15897048195).

Almost surely, 2^101222021108 is an apocalyptic number.

It is an amenable number.

101222021108 is a deficient number, since it is larger than the sum of its proper divisors (89542557232).

101222021108 is a wasteful number, since it uses less digits than its factorization.

101222021108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946577346 (or 1946577344 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 101222021108 its reverse (801120222101), we get a palindrome (902342243209).

The spelling of 101222021108 in words is "one hundred one billion, two hundred twenty-two million, twenty-one thousand, one hundred eight".