110001102221021 has 64 divisors (see below), whose sum is σ = 124954403438592. Its totient is φ = 95934456000000.

The previous prime is 110001102221009. The next prime is 110001102221077. The reversal of 110001102221021 is 120122201100011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110001102221021 is a prime.

It is a super-2 number, since 2×110001102221021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110001102220987 and 110001102221005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110001102221081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16993833041 + ... + 16993839513.

It is an arithmetic number, because the mean of its divisors is an integer number (1952412553728).

Almost surely, 2^{110001102221021} is an apocalyptic number.

110001102221021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110001102221021 is a deficient number, since it is larger than the sum of its proper divisors (14953301217571).

110001102221021 is a wasteful number, since it uses less digits than its factorization.

110001102221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7674.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 110001102221021 its reverse (120122201100011), we get a palindrome (230123303321032).

The spelling of 110001102221021 in words is "one hundred ten trillion, one billion, one hundred two million, two hundred twenty-one thousand, twenty-one".