10222122100221 has 16 divisors (see below), whose sum is σ = 16034701334400. Its totient is φ = 6413880533184.

The previous prime is 10222122100189. The next prime is 10222122100241. The reversal of 10222122100221 is 12200122122201.

It is a happy number.

10222122100221 is a `hidden beast` number, since 1 + 0 + 2 + 221 + 221 + 0 + 0 + 221 = 666.

It is not a de Polignac number, because 10222122100221 - 2⁵ = 10222122100189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10222122100194 and 10222122100203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222122100241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11135208801 + ... + 11135209718.

It is an arithmetic number, because the mean of its divisors is an integer number (1002168833400).

Almost surely, 2^{10222122100221} is an apocalyptic number.

It is an amenable number.

10222122100221 is a deficient number, since it is larger than the sum of its proper divisors (5812579234179).

10222122100221 is a wasteful number, since it uses less digits than its factorization.

10222122100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22270418545 (or 22270418539 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10222122100221 its reverse (12200122122201), we get a palindrome (22422244222422).

The spelling of 10222122100221 in words is "ten trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred thousand, two hundred twenty-one".