110031033021221 has 24 divisors (see below), whose sum is σ = 119271909385440. Its totient is φ = 101459823566400.

The previous prime is 110031033021127. The next prime is 110031033021271. The reversal of 110031033021221 is 122120330130011.

It is a happy number.

It is not a de Polignac number, because 110031033021221 - 2³⁰ = 110029959279397 is a prime.

It is a super-2 number, since 2×110031033021221² (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 = 110031033021193 and 110031033021202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110031033021271) 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 23 ways as a sum of consecutive naturals, for example, 1714621466 + ... + 1714685636.

It is an arithmetic number, because the mean of its divisors is an integer number (4969662891060).

Almost surely, 2^{110031033021221} is an apocalyptic number.

It is an amenable number.

110031033021221 is a deficient number, since it is larger than the sum of its proper divisors (9240876364219).

110031033021221 is a wasteful number, since it uses less digits than its factorization.

110031033021221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74757 (or 74744 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 110031033021221 its reverse (122120330130011), we get a palindrome (232151363151232).

The spelling of 110031033021221 in words is "one hundred ten trillion, thirty-one billion, thirty-three million, twenty-one thousand, two hundred twenty-one".