1110221109 has 12 divisors (see below), whose sum is σ = 1673377056. Its totient is φ = 707966952.

The previous prime is 1110221087. The next prime is 1110221141. The reversal of 1110221109 is 9011220111.

It is a happy number.

It is not a de Polignac number, because 1110221109 - 2¹² = 1110217013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110221091 and 1110221100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110221909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2681487 + ... + 2681900.

It is an arithmetic number, because the mean of its divisors is an integer number (139448088).

Almost surely, 2^1110221109 is an apocalyptic number.

It is an amenable number.

1110221109 is a deficient number, since it is larger than the sum of its proper divisors (563155947).

1110221109 is a wasteful number, since it uses less digits than its factorization.

1110221109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5363416 (or 5363413 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The square root of 1110221109 is about 33319.9806272453. The cubic root of 1110221109 is about 1035.4675504319.

The spelling of 1110221109 in words is "one billion, one hundred ten million, two hundred twenty-one thousand, one hundred nine".