110121211021 has 8 divisors (see below), whose sum is σ = 110657696384. Its totient is φ = 109585764000.

The previous prime is 110121211019. The next prime is 110121211037. The reversal of 110121211021 is 120112121011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 110121211021 - 2¹ = 110121211019 is a prime.

It is a super-2 number, since 2×110121211021² (a number of 23 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 = 110121210992 and 110121211010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110121211621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46536 + ... + 471601.

It is an arithmetic number, because the mean of its divisors is an integer number (13832212048).

Almost surely, 2^110121211021 is an apocalyptic number.

It is an amenable number.

110121211021 is a deficient number, since it is larger than the sum of its proper divisors (536485363).

110121211021 is an equidigital number, since it uses as much as digits as its factorization.

110121211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519171.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 110121211021 its reverse (120112121011), we get a palindrome (230233332032).

The spelling of 110121211021 in words is "one hundred ten billion, one hundred twenty-one million, two hundred eleven thousand, twenty-one".