10022222021 has 16 divisors (see below), whose sum is σ = 11585013120. Its totient is φ = 8492452800.

The previous prime is 10022221997. The next prime is 10022222051. The reversal of 10022222021 is 12022222001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10022222021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10022221987 and 10022222005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022222051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468170 + ... + 489108.

It is an arithmetic number, because the mean of its divisors is an integer number (724063320).

Almost surely, 2^10022222021 is an apocalyptic number.

It is an amenable number.

10022222021 is a deficient number, since it is larger than the sum of its proper divisors (1562791099).

10022222021 is a wasteful number, since it uses less digits than its factorization.

10022222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21724.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10022222021 its reverse (12022222001), we get a palindrome (22044444022).

The spelling of 10022222021 in words is "ten billion, twenty-two million, two hundred twenty-two thousand, twenty-one".