1001112222103 has 32 divisors (see below), whose sum is σ = 1206271180800. Its totient is φ = 812632818816.

The previous prime is 1001112222083. The next prime is 1001112222109. The reversal of 1001112222103 is 3012222111001.

It is not a de Polignac number, because 1001112222103 - 2²⁵ = 1001078667671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001112222109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42152650 + ... + 42176392.

It is an arithmetic number, because the mean of its divisors is an integer number (37695974400).

Almost surely, 2^{1001112222103} is an apocalyptic number.

1001112222103 is a deficient number, since it is larger than the sum of its proper divisors (205158958697).

1001112222103 is a wasteful number, since it uses less digits than its factorization.

1001112222103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27751.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1001112222103 its reverse (3012222111001), we get a palindrome (4013334333104).

The spelling of 1001112222103 in words is "one trillion, one billion, one hundred twelve million, two hundred twenty-two thousand, one hundred three".