110011221021 has 32 divisors (see below), whose sum is σ = 159562690560. Its totient is φ = 67014949824.

The previous prime is 110011220999. The next prime is 110011221031. The reversal of 110011221021 is 120122110011.

It is not a de Polignac number, because 110011221021 - 2¹¹ = 110011218973 is a prime.

It is a super-3 number, since 3×110011221021³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 110011220988 and 110011221006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110011221031) 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 31 ways as a sum of consecutive naturals, for example, 15176620 + ... + 15183866.

It is an arithmetic number, because the mean of its divisors is an integer number (4986334080).

Almost surely, 2^110011221021 is an apocalyptic number.

It is an amenable number.

110011221021 is a deficient number, since it is larger than the sum of its proper divisors (49551469539).

110011221021 is a wasteful number, since it uses less digits than its factorization.

110011221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11145.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 110011221021 its reverse (120122110011), we get a palindrome (230133331032).

The spelling of 110011221021 in words is "one hundred ten billion, eleven million, two hundred twenty-one thousand, twenty-one".