10222010012221 has 24 divisors (see below), whose sum is σ = 12631579620000. Its totient is φ = 8224427371104.

The previous prime is 10222010012219. The next prime is 10222010012257. The reversal of 10222010012221 is 12221001022201.

It is a happy number.

It is not a de Polignac number, because 10222010012221 - 2¹ = 10222010012219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10222010012195 and 10222010012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222010012261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50263671 + ... + 50466628.

It is an arithmetic number, because the mean of its divisors is an integer number (526315817500).

Almost surely, 2^{10222010012221} is an apocalyptic number.

It is an amenable number.

10222010012221 is a deficient number, since it is larger than the sum of its proper divisors (2409569607779).

10222010012221 is a wasteful number, since it uses less digits than its factorization.

10222010012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100730441 (or 100730434 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10222010012221 its reverse (12221001022201), we get a palindrome (22443011034422).

It can be divided in two parts, 102220100 and 12221, that added together give a square (102232321 = 10111²).

The spelling of 10222010012221 in words is "ten trillion, two hundred twenty-two billion, ten million, twelve thousand, two hundred twenty-one".