1001100012222 has 8 divisors (see below), whose sum is σ = 2002200024456. Its totient is φ = 333700004072.

The previous prime is 1001100012217. The next prime is 1001100012223. The reversal of 1001100012222 is 2222100011001.

It is a sphenic number, since it is the product of 3 distinct primes.

1001100012222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1001100012198 and 1001100012207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001100012223) 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 3 ways as a sum of consecutive naturals, for example, 83425001013 + ... + 83425001024.

It is an arithmetic number, because the mean of its divisors is an integer number (250275003057).

Almost surely, 2^{1001100012222} is an apocalyptic number.

1001100012222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001100012222 is a wasteful number, since it uses less digits than its factorization.

1001100012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166850002042.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1001100012222 its reverse (2222100011001), we get a palindrome (3223200023223).

The spelling of 1001100012222 in words is "one trillion, one billion, one hundred million, twelve thousand, two hundred twenty-two".