10001122012222 has 32 divisors (see below), whose sum is σ = 16530917695488. Its totient is φ = 4500026100000.

The previous prime is 10001122012169. The next prime is 10001122012223. The reversal of 10001122012222 is 22221022110001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10001122012196 and 10001122012205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001122012223) 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, 10361347 + ... + 11285377.

It is an arithmetic number, because the mean of its divisors is an integer number (516591177984).

Almost surely, 2^{10001122012222} is an apocalyptic number.

10001122012222 is a deficient number, since it is larger than the sum of its proper divisors (6529795683266).

10001122012222 is a wasteful number, since it uses less digits than its factorization.

10001122012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929016.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10001122012222 its reverse (22221022110001), we get a palindrome (32222144122223).

The spelling of 10001122012222 in words is "ten trillion, one billion, one hundred twenty-two million, twelve thousand, two hundred twenty-two".