1102110321221 has 16 divisors (see below), whose sum is σ = 1357651473024. Its totient is φ = 871222803264.

The previous prime is 1102110321203. The next prime is 1102110321271. The reversal of 1102110321221 is 1221230112011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1102110321221 - 2³⁸ = 827232414277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1102110321221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102110321271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5290106 + ... + 5494491.

It is an arithmetic number, because the mean of its divisors is an integer number (84853217064).

Almost surely, 2^{1102110321221} is an apocalyptic number.

It is an amenable number.

1102110321221 is a deficient number, since it is larger than the sum of its proper divisors (255541151803).

1102110321221 is a wasteful number, since it uses less digits than its factorization.

1102110321221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10785740.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1102110321221 its reverse (1221230112011), we get a palindrome (2323340433232).

The spelling of 1102110321221 in words is "one trillion, one hundred two billion, one hundred ten million, three hundred twenty-one thousand, two hundred twenty-one".