1103221100033 has 16 divisors (see below), whose sum is σ = 1206419029200. Its totient is φ = 1002737387520.

The previous prime is 1103221099943. The next prime is 1103221100041. The reversal of 1103221100033 is 3300011223011.

It can be written as a sum of positive squares in 8 ways, for example, as 371737748209 + 731483351824 = 609703^2 + 855268^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103221100033 - 2³² = 1098926132737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103221099984 and 1103221100020.

It is not an unprimeable number, because it can be changed into a prime (1103221100053) 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, 1699418 + ... + 2257091.

It is an arithmetic number, because the mean of its divisors is an integer number (75401189325).

Almost surely, 2^{1103221100033} is an apocalyptic number.

1103221100033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1103221100033 is a deficient number, since it is larger than the sum of its proper divisors (103197929167).

1103221100033 is a wasteful number, since it uses less digits than its factorization.

1103221100033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956852.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1103221100033 its reverse (3300011223011), we get a palindrome (4403232323044).

The spelling of 1103221100033 in words is "one trillion, one hundred three billion, two hundred twenty-one million, one hundred thousand, thirty-three".