10021222121122 has 16 divisors (see below), whose sum is σ = 15759729508032. Its totient is φ = 4770043906320.

The previous prime is 10021222121083. The next prime is 10021222121153. The reversal of 10021222121122 is 22112122212001.

It is a self number, because there is not a number n which added to its sum of digits gives 10021222121122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516228813 + ... + 516248224.

It is an arithmetic number, because the mean of its divisors is an integer number (984983094252).

Almost surely, 2^{10021222121122} is an apocalyptic number.

10021222121122 is a deficient number, since it is larger than the sum of its proper divisors (5738507386910).

10021222121122 is a wasteful number, since it uses less digits than its factorization.

10021222121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032477273.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10021222121122 its reverse (22112122212001), we get a palindrome (32133344333123).

The spelling of 10021222121122 in words is "ten trillion, twenty-one billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-two".