10001221011122 has 16 divisors (see below), whose sum is σ = 16572794313600. Its totient is φ = 4488465125040.

The previous prime is 10001221011121. The next prime is 10001221011157. The reversal of 10001221011122 is 22111012210001.

It is a junction number, because it is equal to n+sod(n) for n = 10001221011097 and 10001221011106.

It is not an unprimeable number, because it can be changed into a prime (10001221011121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2877219497 + ... + 2877222972.

It is an arithmetic number, because the mean of its divisors is an integer number (1035799644600).

Almost surely, 2^{10001221011122} is an apocalyptic number.

10001221011122 is a deficient number, since it is larger than the sum of its proper divisors (6571573302478).

10001221011122 is a wasteful number, since it uses less digits than its factorization.

10001221011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5754442561.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10001221011122 its reverse (22111012210001), we get a palindrome (32112233221123).

The spelling of 10001221011122 in words is "ten trillion, one billion, two hundred twenty-one million, eleven thousand, one hundred twenty-two".