1103112010221 has 32 divisors (see below), whose sum is σ = 1624722744960. Its totient is φ = 661410124800.

The previous prime is 1103112010219. The next prime is 1103112010261. The reversal of 1103112010221 is 1220102113011.

It is not a de Polignac number, because 1103112010221 - 2¹ = 1103112010219 is a prime.

It is a super-2 number, since 2×1103112010221² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1103112010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103112010211) 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, 763570 + ... + 1670108.

It is an arithmetic number, because the mean of its divisors is an integer number (50772585780).

Almost surely, 2^{1103112010221} is an apocalyptic number.

It is an amenable number.

1103112010221 is a deficient number, since it is larger than the sum of its proper divisors (521610734739).

1103112010221 is a wasteful number, since it uses less digits than its factorization.

1103112010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907357.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1103112010221 its reverse (1220102113011), we get a palindrome (2323214123232).

The spelling of 1103112010221 in words is "one trillion, one hundred three billion, one hundred twelve million, ten thousand, two hundred twenty-one".