10021222221122 has 16 divisors (see below), whose sum is σ = 18189781511040. Its totient is φ = 4042173668928.

The previous prime is 10021222221077. The next prime is 10021222221161. The reversal of 10021222221122 is 22112222212001.

It is a junction number, because it is equal to n+sod(n) for n = 10021222221094 and 10021222221103.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21052987622 + ... + 21052988097.

It is an arithmetic number, because the mean of its divisors is an integer number (1136861344440).

Almost surely, 2^{10021222221122} is an apocalyptic number.

10021222221122 is a deficient number, since it is larger than the sum of its proper divisors (8168559289918).

10021222221122 is a wasteful number, since it uses less digits than its factorization.

10021222221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42105975745.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 10021222221122 its reverse (22112222212001), we get a palindrome (32133444433123).

The spelling of 10021222221122 in words is "ten trillion, twenty-one billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-two".