1003221122101 has 16 divisors (see below), whose sum is σ = 1116418152960. Its totient is φ = 893731475520.

The previous prime is 1003221122047. The next prime is 1003221122107. The reversal of 1003221122101 is 1012211223001.

It is a cyclic number.

It is not a de Polignac number, because 1003221122101 - 2³³ = 994631187509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003221122107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554565 + ... + 1521178.

It is an arithmetic number, because the mean of its divisors is an integer number (69776134560).

Almost surely, 2^{1003221122101} is an apocalyptic number.

1003221122101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1003221122101 is a deficient number, since it is larger than the sum of its proper divisors (113197030859).

1003221122101 is a wasteful number, since it uses less digits than its factorization.

1003221122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076636.

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

Adding to 1003221122101 its reverse (1012211223001), we get a palindrome (2015432345102).

The spelling of 1003221122101 in words is "one trillion, three billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred one".