110221028 has 6 divisors (see below), whose sum is σ = 192886806. Its totient is φ = 55110512.

The previous prime is 110221019. The next prime is 110221031. The reversal of 110221028 is 820122011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 102779044 + 7441984 = 10138^2 + 2728^2 .

It is a junction number, because it is equal to n+sod(n) for n = 110220997 and 110221015.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13777625 + ... + 13777632.

It is an arithmetic number, because the mean of its divisors is an integer number (32147801).

Almost surely, 2^110221028 is an apocalyptic number.

It is an amenable number.

110221028 is a deficient number, since it is larger than the sum of its proper divisors (82665778).

110221028 is a wasteful number, since it uses less digits than its factorization.

110221028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27555261 (or 27555259 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 110221028 is about 10498.6202903048. The cubic root of 110221028 is about 479.4626915895.

Adding to 110221028 its reverse (820122011), we get a palindrome (930343039).

The spelling of 110221028 in words is "one hundred ten million, two hundred twenty-one thousand, twenty-eight".