101222321012 has 6 divisors (see below), whose sum is σ = 177139061778. Its totient is φ = 50611160504.

The previous prime is 101222320987. The next prime is 101222321029. The reversal of 101222321012 is 210123222101.

It can be written as a sum of positive squares in only one way, i.e., 79328975716 + 21893345296 = 281654^2 + 147964^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12652790123 + ... + 12652790130.

It is an arithmetic number, because the mean of its divisors is an integer number (29523176963).

Almost surely, 2^101222321012 is an apocalyptic number.

It is an amenable number.

101222321012 is a deficient number, since it is larger than the sum of its proper divisors (75916740766).

101222321012 is a wasteful number, since it uses less digits than its factorization.

101222321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25305580257 (or 25305580255 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 101222321012 its reverse (210123222101), we get a palindrome (311345543113).

The spelling of 101222321012 in words is "one hundred one billion, two hundred twenty-two million, three hundred twenty-one thousand, twelve".