1100960221 has 2 divisors, whose sum is σ = 1100960222. Its totient is φ = 1100960220.

The previous prime is 1100960213. The next prime is 1100960291. The reversal of 1100960221 is 1220690011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 915728121 + 185232100 = 30261^2 + 13610^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100960221 - 2³ = 1100960213 is a prime.

It is a super-2 number, since 2×1100960221² = 2424226816448737682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1100960192 and 1100960201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100960291) 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 as a sum of consecutive naturals, namely, 550480110 + 550480111.

It is an arithmetic number, because the mean of its divisors is an integer number (550480111).

Almost surely, 2^1100960221 is an apocalyptic number.

It is an amenable number.

1100960221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100960221 is an equidigital number, since it uses as much as digits as its factorization.

1100960221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1100960221 is about 33180.7206220721. The cubic root of 1100960221 is about 1032.5803969000.

The spelling of 1100960221 in words is "one billion, one hundred million, nine hundred sixty thousand, two hundred twenty-one".