10212101221118 has 16 divisors (see below), whose sum is σ = 15370118240256. Its totient is φ = 5088754583640.

The previous prime is 10212101221117. The next prime is 10212101221121. The reversal of 10212101221118 is 81112210121201.

It is a super-2 number, since 2×10212101221118² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10212101221093 and 10212101221102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212101221117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5744318 + ... + 7308993.

It is an arithmetic number, because the mean of its divisors is an integer number (960632390016).

Almost surely, 2^{10212101221118} is an apocalyptic number.

10212101221118 is a deficient number, since it is larger than the sum of its proper divisors (5158017019138).

10212101221118 is a wasteful number, since it uses less digits than its factorization.

10212101221118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13054639.

The product of its (nonzero) digits is 128, while the sum is 23.

Adding to 10212101221118 its reverse (81112210121201), we get a palindrome (91324311342319).

The spelling of 10212101221118 in words is "ten trillion, two hundred twelve billion, one hundred one million, two hundred twenty-one thousand, one hundred eighteen".