1001011112222 has 16 divisors (see below), whose sum is σ = 1638370537344. Its totient is φ = 454907175000.

The previous prime is 1001011112203. The next prime is 1001011112281. The reversal of 1001011112222 is 2222111101001.

It is a super-3 number, since 3×1001011112222³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1001011112197 and 1001011112206.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4789154 + ... + 4993797.

It is an arithmetic number, because the mean of its divisors is an integer number (102398158584).

Almost surely, 2^{1001011112222} is an apocalyptic number.

1001011112222 is a deficient number, since it is larger than the sum of its proper divisors (637359425122).

1001011112222 is a wasteful number, since it uses less digits than its factorization.

1001011112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9787615.

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

Adding to 1001011112222 its reverse (2222111101001), we get a palindrome (3223122213223).

The spelling of 1001011112222 in words is "one trillion, one billion, eleven million, one hundred twelve thousand, two hundred twenty-two".